Periodic Table of Elements with atomic weight, state, electron configuration, etc.

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shalara.mckenzie
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Periodic Table of Elements with atomic weight, state, electron configuration, etc.
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2013-08-19 15:06:19
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Chemistry Elements Periodic Table CHEM 1103 electron configuration CHE
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All elements with their classification, color, atomic weight, state, melting point, boiling point, electrons, protons, neutrons, electron configuration and density
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  1. Hydrogen
    • Classification: Hydrogen is a nonmetal. It can become metallic at very high pressures.
    • Atomic weight: 1.0079
    • State: gas
    • Melting point -259.14oC, 14.01 K
    • Boiling point -252.87oC, 20.28 K
    • Electrons: 1
    • Protons: 1
    • Neutrons in most abundant isotope: 0
    • Electron shells: 1
    • Electron configuration: 1s1
    • Density @ 20oC: 0.0000899 g/cm3
  2. Helium
    • Classification: noble gas and a nonmetal
    • Color: colorless
    • Atomic weight: 4.00260
    • State: gas
    • Melting point: -272.2oC, 0.95 K
    • Note: At normal atmospheric pressure, helium does not solidify and so has no melting point. The melting point quoted above is under a pressure of 25 atmospheres.
    • Boiling point: -268.9oC, 4.2 K
    • Electrons: 2
    • Protons: 2
    • Neutrons in most abundant isotope: 2
    • Electron shells: 2
    • Electron configuration: 1s2
    • Density @ 20oC: 0.0001787 g/cm3
  3. Lithium
    • Classification: alkali metal
    • Color: silvery
    • Atomic weight: 6.941
    • State: solid
    • Melting point: 180.54oC, 453.69 K
    • Boiling point: 1347oC, 1615 K
    • Electrons: 3
    • Protons: 3
    • Neutrons in most abundant isotope: 4
    • Electron shells: 2,1
    • Electron configuration 1s2 2s1
    • Density @ 20oC 0.53 g/cm3
  4. Beryllium
    • Classification: alkali earth metal
    • Color: steel gray
    • Atomic weight: 9.01218
    • State: solid
    • Melting point: 1278oC, 1551.2 K
    • Boiling point: 2469oC, 2742 K
    • Electrons: 4
    • Protons: 4
    • Neutrons in most abundant isotope: 5
    • Electron shells: 2,2
    • Electron configuration: 1s2 2s2
    • Density @ 20oC: 1.848 g/cm3
  5. Boron
    • Classification: Boron is a metalloid
    • Color: black
    • Atomic weight: 10.81
    • State: solid
    • Melting point: 2075oC, 2348 K
    • Boiling point: 3727oC , 4000 K
    • Electrons: 5
    • Protons: 5
    • Neutrons in most abundant isotope: 6
    • Electron shells: 2,3
    • Electron configuration: 1s2 2s2 2p1
    • Density @ 20oC: 2.34 g/cm3
  6. Carbon
    • Classification: nonmetal
    • Color: black (graphite), transparent (diamond)
    • Atomic weight: 12.011
    • State: solid
    • Melting point: 3550oC, 3823 K
    • Note: At normal atmospheric pressure, carbon does not melt when heated, it sublimes. i.e. when heated, carbon undergoes a phase change directly from solid to gas.
    • If the pressure is increased to 10 atmospheres carbon (graphite) is observed to melt at 3550°C.
    • Boiling point: 3825oC, 4098 K
    • The boiling point quoted is recorded when the graphite vapor pressure above subliming graphite reaches 1 atmosphere.
    • Electrons: 6
    • Protons: 6
    • Neutrons in most abundant isotope: 6
    • Electron shells: 2,4
    • Electron configuration: 1s2 2s2 2p2
    • Density @ 20oC: 2.267 g/cm3 (gr), 3.513 g/cm3 (di)
  7. Nitrogen
    • Classification: Nitrogen is a gas and a nonmetal
    • Color: colorless
    • Atomic weight: 14.0067
    • State: gas
    • Melting point: -210.1oC, 63.05 K
    • Boiling point: -195.8oC, 77.4 K
    • Electrons: 7
    • Protons: 7
    • Neutrons in most abundant isotope: 7
    • Electron shells: 2,5
    • Electron configuration: 1s2 2s2 2p3
    • Density @ 20oC: 0.0012506 g/cm3
  8. Oxygen
    • Classification: Oxygen is a halogen and a nonmetal
    • Color: colorless
    • Atomic weight: 15.9994
    • State: gas
    • Melting point: -218.3oC, 54.8 K
    • Boiling point: -182.9oC, 90.2 K
    • Electrons: 8
    • Protons: 8
    • Neutrons in most abundant isotope: 8
    • Electron shells: 2,6
    • Electron configuration: 1s2 2s2 2p4
    • Density @ 20oC: 0.001429 g/cm3
  9. Fluorine
    • Classification: Fluorine is a halogen and a nonmetal
    • Color: pale yellow
    • Atomic weight: 18.998403
    • State: gas
    • Melting point: -219.6oC, 53.6 K
    • Boiling point: -188.1oC, 85.1 K
    • Electrons: 9
    • Protons: 9
    • Neutrons in most abundant isotope: 10
    • Electron shells: 2,7
    • Electron configuration: 1s2 2s2 2p5
    • Density @ 20oC: 0.001696 g/cm3
  10. Neon
    • Classification: Neon is a noble gas and a nonmetal
    • Color: colorless
    • Atomic weight: 20.180
    • State: gas
    • Melting point: -248.57oC, 24.53 K
    • Boiling point: -246.0oC, 27.1 K
    • Electrons: 10
    • Protons: 10
    • Neutrons in most abundant isotope: 10
    • Electron shells: 2,8
    • Electron configuration: 1s2 2s2 2p6
    • Density @ 20oC: 0.0009 g/cm3
  11. Sodium
    • Classification: Sodium is an alkali metal
    • Color: silvery-white
    • Atomic weight: 22.98977
    • State: solid
    • Melting point: 97.72oC, 370.87 K
    • Boiling point: 883oC, 1156 K
    • Electrons: 11
    • Protons: 11
    • Neutrons in most abundant isotope: 12
    • Electron shells: 2,8,1
    • Electron configuration: 1s2 2s2 2p6 3s1
    • Density @ 20oC: 0.971 g/cm3
  12. Magnesium
    • Classification: Magnesium is an alkali earth metal
    • Color: silvery-white
    • Atomic weight: 24.305
    • State: solid
    • Melting point: 650oC, 923 K
    • Boiling point: 1090oC, 1363 K
    • Electrons: 12
    • Protons: 12
    • Neutrons in most abundant isotope: 12
    • Electron shells: 2,8,2
    • Electron configuration: 1s2 2s2 2p6 3s2
    • Density @ 20oC: 1.738 g/cm3
  13. Aluminum
    • Classification: Aluminum is an ‘other metal’
    • Color: silvery
    • Atomic weight: 26.98154 g/mol
    • State: solid
    • Melting point: 660.32oC, 933.57 K
    • Boiling point: 2466.85oC, 2740.00 K
    • Electrons: 13
    • Protons: 13
    • Neutrons in most abundant isotope: 14
    • Electron shells: 2,8,3
    • Electron configuration: 1s2 2s2 2p6 3s2 3p1
    • Density @ 20oC: 2.702 g/cm3
  14. Silicon
    • Classification: Silicon is a metalloid
    • Color: silvery
    • Atomic weight: 28.0855
    • State: solid
    • Melting point: 1414oC, 1687 K
    • Boiling point: 3265oC, 3538 K
    • Electrons: 14
    • Protons: 14
    • Neutrons in most abundant isotope: 14
    • Electron shells: 2,8,4
    • Electron configuration: 1s2 2s2 2p6 3s2 3p2
    • Density @ 20oC: 2.33 g/cm3
  15. Phosphorus
    • Classification: Phosphorus is a nonmetal
    • Color: White phosphorus is usually pale yellow
    • Atomic weight: 30.97376
    • State: solid
    • Melting point: 44.2oC, 317.3 K
    • Boiling point: 280.5oC, 553.7 K
    • Electrons: 15
    • Protons: 15
    • Neutrons in most abundant isotope: 16
    • Electron shells: 2,8,5
    • Electron configuration: 1s2 2s2 2p6 3s2 3p3
    • Density @ 20oC: 1.82 g/cm3
  16. Sulfur
    • Classification: Sulfur is a chalcogen and a nonmetal
    • Color: yellow
    • Atomic weight: 32.06
    • State: solid
    • Melting point: 115.2oC, 388.4 K
    • Boiling point: 444.7oC, 717.9 K
    • Electrons: 16
    • Protons: 16
    • Neutrons in most abundant isotope: 16
    • Electron shells: 2,8,6
    • Electron configuration: 1s2 2s2 2p6 3s2 3p4
    • Density @ 20oC: 2.07 g/cm3
  17. Chlorine
    • Classification: Chlorine is a halogen and a nonmetal
    • Color: greenish-yellow
    • Atomic weight: 35.453
    • State: gas
    • Melting point: -101oC , 172 K
    • Boiling point: -34oC , 239 K
    • Electrons: 17
    • Protons: 17
    • Neutrons in most abundant isotope: 18
    • Electron shells: 2,8,7
    • Electron configuration: 1s2 2s2 2p6 3s2 3p5
    • Density @ 20oC: 0.003214 g/cm3
  18. Argon
    • Classification: Argon is a noble gas and a nonmetal
    • Color: colorless
    • Atomic weight: 39.948
    • State: gas
    • Melting point: -189.3oC, 83.85 K
    • Boiling point: -185.8oC, 87.3 K
    • Electrons: 18
    • Protons: 18
    • Neutrons in most abundant isotope: 22
    • Electron shells: 2,8,8
    • Electron configuration: 1s2 2s2 2p6 3s2 3p6
    • Density @ 20oC: 0.001784 g/cm3
  19. Potassium
    • Classification: Potassium is an alkali metal
    • Color: silvery-white
    • Atomic weight: 39.0983
    • State: solid
    • Melting point: 63.4oC, 336.5 K
    • Boiling point: 765.6oC, 1038.7 K
    • Electrons: 19
    • Protons: 19
    • Neutrons in most abundant isotope: 20
    • Electron shells: 2,8,8,1
    • Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s1
    • Density @ 20oC: 0.862 g/cm3
  20. Calcium
    • Classification: Calcium is an alkali earth metal
    • Color: silvery-gray
    • Atomic weight: 40.078
    • State: solid
    • Melting point: 842oC, 1115 K
    • Boiling point: 1484oC , 1771 K
    • Electrons: 20
    • Protons: 20
    • Neutrons in most abundant isotope: 20
    • Electron shells: 2,8,8,2
    • Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2
    • Density @ 20oC: 1.55 g/cm3
  21. Scandium
    • Classification: Scandium is a transition metal and rare earth.
    • Color: silvery-white
    • Atomic weight: 44.9559
    • State: solid
    • Melting point: 1540oC, 1813.2 K
    • Boiling point: 2830oC, 3103 K
    • Electrons: 21
    • Protons: 21
    • Neutrons in most abundant isotope: 24
    • Electron shells: 2,8,9,2
    • Electron configuration: [Ar] 3d1 4s2
    • Density @ 20oC: 3.0 g/cm3
  22. Titanium
    • Classification: Titanium is a transition metal
    • Color: silvery-white
    • Atomic weight: 47.87
    • State: solid
    • Melting point: 1668oC, 1941 K
    • Boiling point: 3287oC, 3560 K
    • Electrons: 22
    • Protons: 22
    • Neutrons in most abundant isotope: 26
    • Electron shells: 2,8,10,2
    • Electron configuration: [Ar] 3d2 4s2
    • Density @ 20oC: 4.50 g/cm3
  23. Vanadium
    • Classification: Vanadium is a transition metal
    • Color: silvery
    • Atomic weight: 50.9415
    • State: solid
    • Melting point: 1920oC, 2193 K
    • Boiling point: 3400oC, 3673 K
    • Electrons: 23
    • Protons: 23
    • Neutrons in most abundant isotope: 28
    • Electron shells: 2,8,11,2
    • Electron configuration: [Ar] 3d3 4s2
    • Density @ 20oC: 6.1 g/cm3
  24. Chromium
    • Classification: Chromium is a transition metal
    • Color: silver-gray
    • Atomic weight: 51.996
    • State: solid
    • Melting point: 1907oC, 2180 K
    • Boiling point: 2670oC, 2943 K
    • Electrons: 24
    • Protons: 24
    • Neutrons in most abundant isotope: 28
    • Electron shells: 2,8,13,1
    • Electron configuration: [Ar] 3d5 4s1
    • Density @ 20oC: 7.19 g/cm3
  25. Manganese
    • Classification: Manganese is a transition metal
    • Color: gray-white
    • Atomic weight: 54.9380
    • State: solid
    • Melting point: 1250oC, 1523 K
    • Boiling point: 2060oC, 2333 K
    • Electrons: 25
    • Protons: 25
    • Neutrons in most abundant isotope: 30
    • Electron shells: 2,8,13,2
    • Electron configuration: [Ar] 3d5 4s2
    • Density @ 20oC: 7.43 g/cm3
  26. Iron
    • Classification: Iron is a transition metal
    • Color: silvery-gray
    • Atomic weight: 55.847
    • State: solid
    • Melting point: 1535.1oC, 1808.2 K
    • Boiling point: 2750oC, 3023 K
    • Electrons: 26
    • Protons: 26
    • Neutrons in most abundant isotope: 30
    • Electron shells: 2,8,14,2
    • Electron configuration: [Ar] 3d6 4s2
    • Density @ 20oC: 7.87 g/cm3
  27. Cobalt
    • Classification: Cobalt is a transition metal
    • Color: bluish-white
    • Atomic weight: 58.9332
    • State: solid
    • Melting point: 1495oC, 1768 K
    • Boiling point: 2930oC, 3203 K
    • Electrons: 27
    • Protons: 27
    • Neutrons in most abundant isotope: 32
    • Electron shells: 2,8,15,2
    • Electron configuration: [Ar] 3d7 4s2
    • Density @ 20oC: 8.90 g/cm3
  28. Nickel
    • Classification: Nickel is a transition metal
    • Color: silvery-white
    • Atomic weight: 58.693
    • State: solid
    • Melting point: 1455oC, 1728 K
    • Boiling point: 2990oC, 3263 K
    • Electrons: 28
    • Protons: 28
    • Neutrons in most abundant isotope: 30
    • Electron shells: 2,8,16,2
    • Electron configuration: [Ar] 3d8 4s2
    • Density @ 20oC: 8.91 g/cm3
  29. Copper
    • Classification: Copper is a transition metal
    • Color: orange-red
    • Atomic weight: 63.546
    • State: solid
    • Melting point: 1084.62oC, 1357.77 K
    • Boiling point: 2560oC, 2833 K
    • Electrons: 29
    • Protons: 29
    • Neutrons in most abundant isotope: 34
    • Electron shells: 2,8,18,1
    • Electron configuration: [Ar] 3d10 4s1
    • Density @ 20oC: 8.96 g/cm3
  30. Zinc
    • Classification: Zinc is a transition metal
    • Color: bluish silver
    • Atomic weight: 65.41
    • State: solid
    • Melting point: 419.53oC, 692.68 K
    • Boiling point: 910oC, 1183 K
    • Electrons: 30
    • Protons: 30
    • Neutrons in most abundant isotope: 34
    • Electron shells: 2,8,18,2
    • Electron configuration: [Ar] 3d10 4s2
    • Density @ 20oC: 7.14 g/cm3
  31. Gallium
    • Classification: Gallium is an ‘other metal’
    • Color: silvery-blue
    • Atomic weight: 69.723
    • State: solid
    • Melting point: 29.76oC, 302.91 K
    • Boiling point: 2200oC, 2473 K
    • Electrons: 31
    • Protons: 31
    • Neutrons in most abundant isotope: 40
    • Electron shells: 2,8,18,3
    • Electron configuration: [Ar] 3d10 4s2 4p1
    • Density @ 20oC: 5.907 g/cm3
  32. Germanium
    • Classification: Germanium is a metalloid
    • Color: gray-white
    • Atomic weight: 72.64
    • State: solid
    • Melting point: 938oC, 1210.6 K
    • Boiling point: 2830oC, 3103 K
    • Electrons: 32
    • Protons: 32
    • Neutrons in most abundant isotope: 42
    • Electron shells: 2,8,18,4
    • Electron configuration: [Ar] 3d10 4s2 4p2
    • Density @ 20oC: 5.323 g/cm3
  33. Arsenic
    • Classification: Arsenic is a metalloid
    • Color: gray
    • Atomic weight: 74.9216
    • State: solid
    • Melting point: 817oC, 1090 K
    • Note: At normal atmospheric pressure arsenic does not melt when heated, it sublimes. i.e. when heated, arsenic undergoes a phase change directly from solid to gas.
    • The melting point quoted above is for gray arsenic under a pressure of 28 atmospheres.
    • Boiling point: 603oC, 876 K
    • Electrons: 33
    • Protons: 33
    • Neutrons in most abundant isotope: 42
    • Electron shells: 2,8,18,5
    • Electron configuration: [Ar] 3d10 4s2 4p3
    • Density @ 20oC: 5.776 g/cm3
  34. Selenium
    • Classification: Selenium is a halogen and a nonmetal
    • Color: gray or red (crystalline), black or
    • red (amorphous)
    • Atomic weight: 78.96
    • State: solid
    • Melting point: 220oC, 493 K
    • Boiling point: 685oC, 958 K
    • Electrons: 34
    • Protons: 34
    • Neutrons in most abundant isotope: 46
    • Electron shells: 2,8,18,6
    • Electron configuration: [Ar] 3d10 4s2 4p4
    • Density @ 20oC: 4.79 g/cm3
  35. Bromine
    • Classification: Bromine is a halogen and a nonmetal
    • Color: red-brown
    • Atomic weight: 79.904
    • State: liquid
    • Melting point: -7oC , 277 K
    • Boiling point: 58.9oC, 332 K
    • Electrons: 35
    • Protons: 35
    • Neutrons in most abundant isotope: 44
    • Electron shells: 2,8,18,7
    • Electron configuration: [Ar] 3d10 4s2 4p5
    • Density @ 20oC: 3.122 g/cm3
  36. Krypton
    • Classification: Krypton is a noble gas and a nonmetal
    • Color: colorless
    • Atomic weight: 83.80
    • State: gas
    • Melting point: -157.3oC, 115.9 K
    • Boiling point: -153.2oC, 119.4 K
    • Electrons: 36
    • Protons: 36
    • Neutrons in most abundant isotope: 48
    • Electron shells: 2,8,18,8
    • Electron configuration: [Ar] 3d10 4s2 4p6
    • Density @ 20oC: 0.003708 g/cm3
  37. Rubidium
    • Classification: Rubidium is an alkali metal
    • Color: silvery-white
    • Atomic weight: 85.468
    • State: solid
    • Melting point: 39.3oC, 312.45 K
    • Boiling point: 690oC, 963 K
    • Electrons: 37
    • Protons: 37
    • Neutrons in most abundant isotope: 48
    • Electron shells: 2,8,18,8,1
    • Electron configuration: [Kr] 5s1
    • Density @ 20oC: 1.53 g/cm3
  38. Strontium
    • Classification: Strontium is an alkali earth metal
    • Color: silvery
    • Atomic weight: 87.62
    • State: solid
    • Melting point: 777oC, 1050 K
    • Boiling point: 1380oC, 1653 K
    • Electrons: 38
    • Protons: 38
    • Neutrons in most abundant isotope: 50
    • Electron shells: 2,8,18,8,2
    • Electron configuration: [Kr] 5s2
    • Density @ 20oC: 2.6 g/cm3
  39. Yttrium
    • Classification: Yttrium is a transition metal & rare earth
    • Color: silvery-white
    • Atomic weight: 88.9059
    • State: solid
    • Melting point: 1525oC, 1798 K
    • Boiling point: 3340oC, 3613 K
    • Electrons: 39
    • Protons: 39
    • Neutrons in most abundant isotope: 50
    • Electron shells: 2,8,18,9,2
    • Electron configuration: [Kr] 4d1 5s2
    • Density @ 20oC: 4.47 g/cm3
  40. Zirconium
    • Classification: Zirconium is a transition metal
    • Color: grayish-white
    • Atomic weight: 91.22
    • State: solid
    • Melting point: 1850oC, 2123 K
    • Boiling point: 4400oC, 4673 K
    • Electrons: 40
    • Protons: 40
    • Neutrons in most abundant isotope: 50
    • Electron shells: 2,8,18,10,2
    • Electron configuration: [Kr] 4d2 5s2
    • Density @ 20oC: 6.52 g/cm3
  41. Niobium
    • Classification: Niobium is a transition metal
    • Color: silvery-white
    • Atomic weight: 92.9064
    • State: solid
    • Melting point: 2477oC, 2750 K
    • Boiling point: 4744oC, 5017 K
    • Electrons: 41
    • Protons: 41
    • Neutrons in most abundant isotope: 52
    • Electron shells: 2,8,18,12,1
    • Electron configuration: [Kr] 4d4 5s1
    • Density @ 20oC: 8.57 g/cm3
  42. Molybdenum
    • Classification: Molybdenum is a transition metal
    • Color: silvery-white
    • Atomic weight: 95.94
    • State: solid
    • Melting point: 2623oC, 2896 K
    • Boiling point: 4640oC, 4913 K
    • Electrons: 42
    • Protons: 42
    • Neutrons in most abundant isotope: 56
    • Electron shells: 2,8,18,13,1
    • Electron configuration: [Kr] 4d5 5s1
    • Density @ 20oC: 10.2 g/cm3
  43. Technetium
    • Classification: Technetium is a transition metal
    • Color: silver-gray
    • Atomic weight: (98), no stable isotopes
    • State: solid
    • Melting point: 2160oC, 2433 K
    • Boiling point: 4260oC, 4533 K
    • Electrons: 43
    • Protons: 43
    • Neutrons in most abundant isotope: 55
    • Electron shells: 2,8,18,14,1
    • Electron configuration: [Kr] 4d6 5s1
    • Density @ 20oC: 11.5 g/cm3
  44. Ruthenium
    • Classification: Ruthenium is a transition metal
    • Color: silvery-white
    • Atomic weight: 101.07
    • State: solid
    • Melting point: 2330oC, 2603 K
    • Boiling point: 4150oC, 4423 K
    • Electrons: 44
    • Protons: 44
    • Neutrons in most abundant isotope: 58
    • Electron shells: 2,8,18,15,1
    • Electron configuration: [Kr] 4d7 5s1
    • Density @ 20oC: 12.2 g/cm3
  45. Rhodium
    • Classification: Rhodium is a transition metal
    • Color: silvery-white
    • Atomic weight: 102.9055
    • State: solid
    • Melting point: 1963oC, 2236 K
    • Boiling point: 3695oC, 3968 K
    • Electrons: 45
    • Protons: 45
    • Neutrons in most abundant isotope: 58
    • Electron shells: 2,8,18,16,1
    • Electron configuration: [Kr] 4d8 5s1
    • Density @ 20oC: 12.4 g/cm3
  46. Palladium
    • Classification: Palladium is a transition metal
    • Color: silvery-white
    • Atomic weight: 106.4
    • State: solid
    • Melting point: 1555oC, 1828 K
    • Boiling point: 2960oC, 3233 K
    • Electrons: 46
    • Protons: 46
    • Neutrons in most abundant isotope: 60
    • Electron shells: 2,8,18,18
    • Electron configuration: [Kr] 4d10
    • Density @ 20oC: 12.02 g/cm3
  47. Silver
    • Classification: Silver is a transition metal
    • Color: silver
    • Atomic weight: 107.868
    • State: solid
    • Melting point: 961.95oC, 1235.1 K
    • Boiling point: 2155oC, 2428 K
    • Electrons: 47
    • Protons: 47
    • Neutrons in most abundant isotope: 60
    • Electron shells: 2,8,18,18,1
    • Electron configuration: [Kr] 4d10 5s1
    • Density @ 20oC: 10.5 g/cm3
  48. Cadmium
    • Classification: Cadmium is a transition metal
    • Color: bluish-white
    • Atomic weight: 112.41
    • State: solid
    • Melting point: 321.1oC, 594.3 K
    • Boiling point: 765oC, 1038 K
    • Electrons: 48
    • Protons: 48
    • Neutrons in most abundant isotope: 66
    • Electron shells: 2,8,18,18,2
    • Electron configuration: [Kr] 4d10 5s2
    • Density @ 20oC: 8.65 g/cm3
  49. Indium
    • Classification: Indium is an ‘other metal’
    • Color: silvery-white
    • Atomic weight: 114.82
    • State: solid
    • Melting point: 156.6oC, 429.8 K
    • Boiling point: 2070oC, 2343 K
    • Electrons: 49
    • Protons: 49
    • Neutrons in most abundant isotope: 66
    • Electron shells: 2,8,18,18,3
    • Electron configuration: [Kr] 4d10 5s2 5p1
    • Density @ 20oC: 7.31 g/cm3
  50. Tin
    • Classification: Tin can behave as an ‘other metal’ (white tin)
    • or a nonmetal (gray tin).
    • Color: silvery-white
    • Atomic weight: 118.69
    • State: solid
    • Melting point: 231.928oC, 505.078 K
    • Boiling point: 2620oC, 2893 K
    • Electrons: 50
    • Protons: 50
    • Neutrons in most abundant isotope: 70
    • Electron shells: 2,8,18,18,4
    • Electron configuration: [Kr] 4d10 5s2 5p2
    • Density @ 20oC: 7.30 g/cm3
  51. Antimony
    • Classification: Antimony is a metalloid
    • Color: silvery white
    • Atomic weight: 121.760
    • State: solid
    • Melting point: 630.79oC, 903.94 K
    • Boiling point: 1587oC, 1860 K
    • Electrons: 51
    • Protons: 51
    • Neutrons in most abundant isotope: 70
    • Electron shells: 2,8,18,18,5
    • Electron configuration: [Kr] 4d10 5s2 5p3
    • Density @ 20oC: 6.684 g/cm3
  52. Tellurium
    • Classification: Tellurium is a chalcogen and a metalloid
    • Color: silvery
    • Atomic weight: 127.60
    • State: solid
    • Melting point: 450oC, 723 K
    • Boiling point: 990oC, 1263 K
    • Electrons: 52
    • Protons: 52
    • Neutrons in most abundant isotope: 78
    • Electron shells: 2,8,18,18,6
    • Electron configuration: [Kr] 4d10 5s2 5p4
    • Density @ 20oC: 6.24 g/cm3
  53. Iodine
    • Classification: Iodine is a halogen and a nonmetal
    • Color: bluish-black solid, purple vapor
    • Atomic weight: 126.9045
    • State: solid
    • Melting point: 113.5oC, 386.6 K
    • Boiling point: 184oC, 457 K
    • Electrons: 53
    • Protons: 53
    • Neutrons in most abundant isotope: 74
    • Electron shells: 2,8,18,18,7
    • Electron configuration: [Kr] 4d10 5s2 5p5
    • Density @ 20oC: 4.93 g/cm3
  54. Xenon
    • Classification: Xenon is a noble gas and a nonmetal
    • Color: colorless
    • Atomic weight: 131.29
    • State: gas
    • Melting point: -118.8oC, 161.3 K
    • Boiling point: -108.1oC, 165 K
    • Electrons: 54
    • Protons: 54
    • Neutrons in most abundant isotope: 78
    • Electron shells: 2,8,18,18,8
    • Electron configuration: [Kr] 4d10 5s2 5p6
    • Density @ 20oC: 0.00588 g/cm3
  55. Cesium
    • Classification: Cesium is an alkali metal
    • Color: yellow/silvery
    • Atomic weight: 132.9055
    • State: solid
    • Melting point: 28.4oC , 301.6 K
    • Boiling point: 670oC, 943.2 K
    • Electrons: 55
    • Protons: 55
    • Neutrons in most abundant isotope: 78
    • Electron shells: 2,8,18,18,8,1
    • Electron configuration: [Xe] 6s1
    • Density @ 20oC: 1.873 g/cm3
  56. Barium
    • Classification: Barium is an alkali earth metal
    • Color: silvery white
    • Atomic weight: 137.33
    • State: solid
    • Melting point: 725oC, 998.2 K
    • Boiling point: 1897oC, 2170 K
    • Electrons: 56
    • Protons: 56
    • Neutrons in most abundant isotope: 82
    • Electron shells: 2,8,18,18,8,2
    • Electron configuration: [Xe] 6s2
    • Density @ 20oC: 3.59 g/cm3
  57. Lanthanum
    • Classification: Lanthanum is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 138.9055
    • State: solid
    • Melting point: 1540oC, 1813.2 K
    • Boiling point: 2830oC, 3103 K
    • Electrons: 57
    • Protons: 57
    • Neutrons in most abundant isotope: 82
    • Electron shells: 2,8,18,18,9,2
    • Electron configuration: [Xe] 5d1 6s2
    • Density @ 20oC: 6.16 g/cm3
  58. Cerium
    • Classification: Cerium is a lanthanide and rare earth metal
    • Color: gray
    • Atomic weight: 140.12
    • State: solid
    • Melting point: 798oC, 1071 K
    • Boiling point: 3443oC, 3716 K
    • Electrons: 58
    • Protons: 58
    • Neutrons in most abundant isotope: 82
    • Electron shells: 2,8,18,20,8,2
    • Electron configuration: [Xe] 4f2 6s2
    • Density @ 20oC: 6.78 g/cm3
  59. Praseodymium
    • Classification: Praseodymium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 140.9077
    • State: solid
    • Melting point: 931oC, 1204 K
    • Boiling point: 3510oC, 3783 K
    • Electrons: 59
    • Protons: 59
    • Neutrons in most abundant isotope: 82
    • Electron shells: 2,8,18,21,8,2
    • Electron configuration: [Xe] 4f3 6s2
    • Density @ 20oC: 6.77 g/cm3
  60. Neodymium
    • Classification: Neodymium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 144.24
    • State: solid
    • Melting point: 1016oC, 1289 K
    • Boiling point: 3070oC, 3343 K
    • Electrons: 60
    • Protons: 60
    • Neutrons in most abundant isotope: 82
    • Electron shells: 2,8,18,22,8,2
    • Electron configuration: [Xe] 4f4 6s2
    • Density @ 20oC: 7.0 g/cm3
  61. Promethium
    • Classification: Promethium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: (145), no stable isotopes
    • State: solid
    • Melting point: 1142oC, 1415 K
    • Boiling point: 3300oC, 3573 K
    • Electrons: 61
    • Protons: 61
    • Neutrons in most abundant isotope: 84
    • Electron shells: 2,8,18,23,8,2
    • Electron configuration: [Xe] 4f5 6s2
    • Density @ 20oC: 7.220 g/cm3
  62. Samarium
    • Classification: Samarium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 150.4
    • State: solid
    • Melting point: 1170oC, 1443 K
    • Boiling point: 1790oC, 2063 K
    • Electrons: 62
    • Protons: 62
    • Neutrons in most abundant isotope: 90
    • Electron shells: 2,8,18,24,8,2
    • Electron configuration: [Xe] 4f6 6s2
    • Density @ 20oC: 7.54 g/cm3
  63. Europium
    • Classification: Europium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 151.96
    • State: solid
    • Melting point: 822oC, 1095 K
    • Boiling point: 1600oC, 1873 K
    • Electrons: 63
    • Protons: 63
    • Neutrons in most abundant isotope: 90
    • Electron shells: 2,8,18,25,8,2
    • Electron configuration: [Xe] 4f7 6s2
    • Density @ 20oC: 5.248 g/cm3
  64. Gadolinium
    • Classification: Gadolinium is a rare earth metal
    • Color: silvery-white
    • Atomic weight: 157.25 g/mol
    • State: solid
    • Melting point: 1314oC, 1587 K
    • Boiling point: 3260oC, 3533 K
    • Electrons: 64
    • Protons: 64
    • Neutrons in most abundant isotope: 94
    • Electron shells: 2,8,18,25,9,2
    • Electron configuration: [Xe] 4f7 5d1 6s2
    • Density @ 20oC: 7.895 g/cm3
  65. Terbium
    • Classification: Terbium is a lanthanide and rare earth metal
    • Color: silvery-gray
    • Atomic weight: 158.9254
    • State: solid
    • Melting point: 1360oC, 1633 K
    • Boiling point: 3220oC, 3493 K
    • Electrons: 65
    • Protons: 65
    • Neutrons in most abundant isotope: 94
    • Electron shells: 2,8,18,27,8,2
    • Electron configuration: [Xe] 4f9 6s2
    • Density @ 20oC: 8.27 g/cm3
  66. Dysprosium
    • Classification: Dysprosium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 162.50
    • State: solid
    • Melting point: 1410oC, 1683 K
    • Boiling point: 2560oC , 2833 K
    • Electrons: 66
    • Protons: 66
    • Neutrons in most abundant isotope: 98
    • Electron shells: 2,8,18,28,8,2
    • Electron configuration: [Xe] 4f10 6s2
    • Density @ 20oC: 8.536 g/cm3
  67. HolmiumClassification: Holmium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 164.9303
    • State: solid
    • Melting point: 1470oC, 1743 K
    • Boiling point: 2700oC, 2973 K
    • Electrons: 67
    • Protons: 67
    • Neutrons in most abundant isotope: 98
    • Electron shells: 2,8,18,29,8,2
    • Electron configuration: [Xe] 4f11 6s2
    • Density @ 20oC: 8.80 g/cm3
  68. Erbium
    • Classification: Erbium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 167.26
    • State: solid
    • Melting point: 1530oC, 1803 K
    • Boiling point: 2860oC, 3133 K
    • Electrons: 68
    • Protons: 68
    • Neutrons in most abundant isotope: 98
    • Electron shells: 2,8,18,30,8,2
    • Electron configuration: [Xe] 4f12 6s2
    • Density @ 20oC: 9.05 g/cm3
  69. Thulium
    • Classification: Thulium is a lanthanide and rare earth metal
    • Color: silvery-gray
    • Atomic weight: 168.9342
    • State: solid
    • Melting point: 1550oC, 1823 K
    • Boiling point: 1950oC, 2223 K
    • Electrons: 69
    • Protons: 69
    • Neutrons in most abundant isotope: 100
    • Electron shells: 2,8,18,31,8,2
    • Electron configuration: [Xe] 4f13 6s2
    • Density @ 20oC: 9.33 g/cm3
  70. Ytterbium
    • Classification: Ytterbium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 173.04
    • State: solid
    • Melting point: 824oC, 1097 K
    • Boiling point: 1200oC, 1473 K
    • Electrons: 70
    • Protons: 70
    • Neutrons in most abundant isotope: 104
    • Electron shells: 2,8,18,32,8,2
    • Electron configuration: [Xe] 4f14 6s2
    • Density @ 20oC: 6.97 g/cm3
  71. Lutetium
    • Classification: Lutetium is a lanthanide and rare earth metal
    • Color: silvery-white
    • Atomic weight: 174.97
    • State: solid
    • Melting point: 1660oC, 1933 K
    • Boiling point: 3390oC, 3663 K
    • Electrons: 71
    • Protons: 71
    • Neutrons in most abundant isotope: 104
    • Electron shells: 2,8,18,32,9,2
    • Electron configuration: [Xe] 4f14 6s2
    • Density @ 20oC: 9.8 g/cm3
    • Atomic volume: 17.78 cm3/mol
    • Structure: hexagonal close packed
  72. Hafnium
    • Classification: Hafnium is a transition metal
    • Color: silvery
    • Atomic weight: 178.49
    • State: solid
    • Melting point: 2230oC, 2503 K
    • Boiling point: 4600oC, 4873 K
    • Electrons: 72
    • Protons: 72
    • Neutrons in most abundant isotope: 108
    • Electron shells: 2,8,18,32,10,2
    • Electron configuration: [Xe] 4f14 5d2 6s2
    • Density @ 20oC: 13.2 g/cm3
  73. Tantalum
    • Classification: Tantalum is a transition metal
    • Color: gray
    • Atomic weight: 180.947
    • State: solid
    • Melting point: 3020oC, 3293 K
    • Boiling point: 5560oC, 5833 K
    • Electrons: 73
    • Protons: 73
    • Neutrons in most abundant isotope: 108
    • Shells: 2,8,18,32,11,2
    • Electron configuration: [Xe] 4f14 5d3 6s2
    • Density @ 20oC: 16.6 g/cm3
  74. Tungsten
    • Classification: Tungsten is a transition metal
    • Color: silvery-white
    • Atomic weight: 183.84
    • State: solid
    • Melting point: 3422oC, 3695 K
    • Boiling point: 5550oC, 5823 K
    • Electrons: 74
    • Protons: 74
    • Neutrons in most abundant isotope: 110
    • Electron shells: 2,8,18,32,12,2
    • Electron configuration: [Xe] 4f14 5d4 6s2
    • Density @ 20oC: 19.3 g/cm3
  75. Rhenium
    • Classification: Rhenium is a transition metal
    • Color: silvery-white
    • Atomic weight: 186.207
    • State: solid
    • Melting point: 3186oC, 3459 K
    • Boiling point: 5596oC, 5869 K
    • Electrons: 75
    • Protons: 75
    • Neutrons in most abundant isotope: 112
    • Electron shells: 2,8,18,32,13,2
    • Electron configuration: [Xe] 4f14 5d5 6s2
    • Density @ 20oC: 21.0 g/cm3
  76. Osmium
    • Classification: Osmium is a transition metal
    • Color: bluish-white
    • Atomic weight: 190.2
    • State: solid
    • Melting point: 3030oC, 3303 K
    • Boiling point: 5012oC, 5285 K
    • Electrons: 76
    • Protons: 76
    • Neutrons in most abundant isotope: 116
    • Electron shells: 2,8,18,32,14,2
    • Electron configuration: [Xe] 4f14 5d6 6s2
    • Density @ 20oC: 22.61 g/cm3
  77. Iridium
    • Classification: Iridium is a transition metal
    • Color: silvery-white
    • Atomic weight: 192.22
    • State: solid
    • Melting point: 2447oC, 2720 K
    • Boiling point: 4430oC, 4703 K
    • Electrons: 77
    • Protons: 77
    • Neutrons in most abundant isotope: 116
    • Electron shells: 2,8,18,32,15,2
    • Electron configuration: [Xe] 4f14 5d7 6s2
    • Density @ 20oC: 22.56 g/cm3
  78. Platinum
    • Classification: Platinum is a transition metal
    • Color: silvery-white
    • Atomic weight: 195.08
    • State: solid
    • Melting point: 1768oC, 2041 K
    • Boiling point: 3820oC, 4093 K
    • Electrons: 78
    • Protons: 78
    • Neutrons in most abundant isotope: 117
    • Electron shells: 2, 8, 18, 32, 17, 1
    • Electron configuration: [Xe] 4f14 5d9 6s1
    • Density @ 20oC: 21.45 g/cm3
  79. Gold
    • Classification: Gold is a transition metal
    • Color: golden yellow
    • Atomic weight: 196.9665
    • State: solid
    • Melting point: 1064.18oC, 1337.33 K
    • Boiling point: 2850oC, 3123 K
    • Electrons: 79
    • Protons: 79
    • Neutrons in most abundant isotope: 118
    • Electron shells: 2,8,18,32,18,1
    • Electron configuration: [Xe] 4f14 5d10 6s1
    • Density @ 20oC: 19.32 g/cm3
  80. Mercury
    • Classification: Mercury is a transition metal
    • Color: silvery-white
    • Atomic weight: 200.59
    • State: liquid
    • Melting point: -38.83oC, 234.32 K
    • Boiling point: 356.73oC, 629.88 K
    • Electrons: 80
    • Protons: 80
    • Neutrons in most abundant isotope: 122
    • Electron shells: 2,8,18,32,18,2
    • Electron configuration: [Xe] 4f14 5d10 6s2
    • Density @ 20oC: 13.546 g/cm3
  81. Thallium
    • Classification: Thallium is an ‘other metal’
    • Color: silvery-gray
    • Atomic weight: 204.383
    • State: solid
    • Melting point: 304oC, 577 K
    • Boiling point: 1473oC, 1746 K
    • Electrons: 81
    • Protons: 81
    • Neutrons in most abundant isotope: 124
    • Electron shells: 2,8,18,32,18,3
    • Electron configuration: [Xe] 4f14 5d10 6s2 6p1
    • Density @ 20oC: 11.85 g/cm3
  82. Lead
    • Classification: Lead is an ‘other metal’
    • Color: bluish gray
    • Atomic weight: 207.2
    • State: solid
    • Melting point: 327.46oC, 600.61 K
    • Boiling point: 1750oC, 2023 K
    • Electrons: 82
    • Protons: 82
    • Neutrons in most abundant isotope: 126
    • Electron shells: 2,8,18,32,18,4
    • Electron configuration: [Xe] 4f14 5d10 6s2 6p2
    • Density @ 20oC: 11.34 g/cm3
  83. Bismuth
    • Classification: Bismuth is an ‘other metal’
    • Color: silver-white
    • Atomic weight: 208.9804
    • State: solid
    • Melting point: 271.4oC, 544.5 K
    • Boiling point: 1564oC, 1837 K
    • Electrons: 83
    • Protons: 83
    • Neutrons in most abundant isotope: 126
    • Electron shells: 2,8,18,32,18,5
    • Electron configuration: [Xe] 4f14 5d10 6s2 6p3
    • Density @ 20oC: 9.807 g/cm3
  84. Polonium
    • Classification: Polonium is a chalcogen and a metalloid
    • Color: silvery-gray
    • Atomic weight: (209), no stable isotopes
    • State: solid
    • Melting point: 254oC, 527 K
    • Boiling point: 960oC, 1233 K
    • Electrons: 84
    • Protons: 84
    • Neutrons in most abundant isotope: 125
    • Electron shells: 2,8,18,32,18,6
    • Electron configuration: [Xe] 4f14 5d10 6s2 6p4
    • Density @ 20oC: 9.4 g/cm3
  85. Astatine
    • Classification: Astatine is a halogen and a nonmetal
    • Color: Presumed very dark
    • Atomic weight: (210), no stable isotopes
    • State: solid
    • Melting point: 302oC, 575.2 K
    • Boiling point: 337oC, 610 K
    • Electrons: 85
    • Protons: 85
    • Neutrons in most abundant isotope: 125
    • Electron shells: 2,8,18,32,18,7
    • Electron configuration: [Xe] 4f14 5d10 6s2 6p5
    • Density @ 20oC: 7 g/cm3 approx.
  86. Radon
    • Classification: Radon is a noble gas and a nonmetal
    • Color: colorless
    • Atomic weight: (222), no stable isotopes
    • State: gas
    • Melting point: -71oC, 202 K
    • Boiling point: -62oC, 211 K
    • Electrons: 86
    • Protons: 86
    • Neutrons in most abundant isotope: 136
    • Electron shells: 2,8,18,32,18,8
    • Electron configuration: [Xe] 4f14 5d10 6s2 6p6
    • Density @ 20oC: 0.00973 g/cm3
  87. Francium
    • Classification: Francium is an alkali metal
    • Color: silver-gray-metallic (presumed)
    • Atomic weight: (223), no stable isotopes
    • State: solid
    • Melting point: 27oC , 300 K
    • Boiling point: 677oC, 950 K
    • Electrons: 87
    • Protons: 87
    • Neutrons in most abundant isotope: 136
    • Electron shells: 2,8,18,32,18,8,1
    • Electron configuration: [Rn] 7s1
    • Density @ 20oC: 1.873 g/cm3
  88. Radium
    • Classification: Radium is an alkali earth metal
    • Color: silvery white
    • Atomic weight: (226), no stable isotopes
    • State: solid
    • Melting point: 700oC, 973 K
    • Boiling point: 1500oC, 1773 K
    • Electrons: 88
    • Protons: 88
    • Neutrons in most abundant isotope: 138
    • Electron shells: 2,8,18,32,18,8,2
    • Electron configuration: [Rn] 7s2
    • Density @ 20oC: 5.5 g/cm3
  89. Actinium
    • Classification: Actinium is an actinide metal
    • Color: silvery-white
    • Atomic weight: (227), no stable isotopes
    • State: solid
    • Melting point: 1050oC, 1323 K
    • Boiling point: 3199oC, 3471 K
    • Electrons: 89
    • Protons: 89
    • Neutrons in most abundant isotope: 138
    • Electron shells: 2,8,18,32,18,9,2
    • Electron configuration: [Rn] 6d1 7s2
    • Density @ 20oC: 10.07 g/cm3
  90. Thorium
    • Classification: Thorium is an actinide metal
    • Color: silvery
    • Atomic weight: 232.0381, no stable isotopes
    • State: solid
    • Melting point: 1750oC, 2023 K
    • Boiling point: 4790oC, 5063 K
    • Electrons: 90
    • Protons: 90
    • Neutrons in most abundant isotope: 142
    • Electron shells: 2,8,18,32,18,10,2
    • Electron configuration: [Rn] 6d2 7s2
    • Density @ 20oC: 11.7 g/cm3
    • Atomic volume: 19.9 cm3/mol
    • Structure: face-centered cubic
  91. Protactinium
    • Classification: Protactinium is an actinide metal
    • Color: silvery
    • Atomic weight: 231.0359, no stable isotopes
    • State: solid
    • Melting point: 1570oC, 1843 K
    • Boiling point: 4000oC, 4273 K
    • Electrons: 91
    • Protons: 91
    • Neutrons in most abundant isotope: 140
    • Electron shells: 2,8,18,32,20,9,2
    • Electron configuration: [Rn] 5f2 6d1 7s2
    • Density @ 20oC: 15.4 g/cm3
  92. Uranium
    • Classification: Uranium is an actinide metal
    • Color: silvery-white
    • Atomic weight: 238.0289, no stable isotopes
    • State: solid
    • Melting point: 1135oC, 1408 K
    • Boiling point: 4130oC, 4403 K
    • Electrons: 92
    • Protons: 92
    • Neutrons in most abundant isotope: 146
    • Electron shells: 2,8,18,32,21,9,2
    • Electron configuration: [Rn] 5f4 6d1 7s2
    • Density @ 20oC: 18.9 g/cm3
  93. Neptunium
    • Classification: Neptunium is an actinide metal
    • Color: silvery
    • Atomic weight: (237), no stable isotopes
    • State: solid
    • Melting point: 640oC, 913 K
    • Boiling point: 3900oC, 4173 K
    • Electrons: 93
    • Protons: 93
    • Neutrons in most abundant isotope: 144
    • Electron shells: 2,8,18,32,23,8,2
    • Electron configuration: [Rn] 5f4 6d1 7s2
    • Density @ 20oC: 20.45 g/cm3
  94. Plutonium
    • Classification: Plutonium is an actinide metal
    • Color: silvery-white
    • Atomic weight: (244), no stable isotopes
    • State: solid
    • Melting point: 639.4oC, 912.5 K
    • Boiling point: 3230oC, 3503 K
    • Electrons: 94
    • Protons: 94
    • Neutrons in most abundant isotope: 150
    • Electron shells: 2,8,18,32,24,8,2
    • Electron configuration: [Rn] 5f6 7s2
    • Density @ 20oC: 19.8 g/cm3
  95. Americium
    • Classification: Americium is an actinide metal
    • Color: silvery-white
    • Atomic weight: (243), no stable isotopes
    • State: solid
    • Melting point: 1176oC, 1449 K
    • Boiling point: 2607oC, 2880 K
    • Electrons: 95
    • Protons: 95
    • Neutrons in most abundant isotope: 148
    • Electron shells: 2,8,18,32,25,8,2
    • Electron configuration: [Rn] 5f7 7s2
    • Density @ 20oC: 13.67 g/cm3
  96. Curium
    • Classification: Curium is an actinide metal
    • Color: silvery-white
    • Atomic weight: (247), no stable isotopes
    • State: solid
    • Melting point: 1340oC , 1613 K
    • Boiling point: 3100oC , 3373 K
    • Electrons: 96
    • Protons: 96
    • Neutrons in most abundant isotope: 151
    • Electron shells: 2,8,18,32,25,9,2
    • Electron configuration: [Rn] 5f7 6d1 7s2
    • Density @ 20oC: 13.5 g/cm3
  97. Berkelium
    • Classification: Berkelium is an actinide metal
    • Color: silvery-white
    • Atomic weight: (247), no stable isotopes
    • State: solid
    • Melting point: 986oC, 1259.2 K
    • Boiling point: 2900oC, 3173 K
    • Electrons: 97
    • Protons: 97
    • Neutrons in most abundant isotope: 150
    • Electron shells: 2,8,18,32,27,8,2
    • Electron configuration: [Rn] 5f9 7s2
    • Density @ 20oC: 14.79 g/cm3
  98. Californium
    • Classification: Californium is an actinide metal
    • Color: silvery-white
    • Atomic weight: (251), no stable isotopes
    • State: solid
    • Melting point: 900oC, 1173 K
    • Boiling point: 1472oC, 1745 K (estimated)
    • Electrons: 98
    • Protons: 98
    • Neutrons in most abundant isotope: 153
    • Electron shells: 2,8,18,32,28,8,2
    • Electron configuration: [Rn] 5f10 7s2
    • Density @ 20oC: 13.67 g/cm3
  99. Einsteinium
    • Classification: Einsteinium is an actinide metal
    • Color:
    • Atomic weight: (252), no stable isotopes
    • State: solid
    • Melting point: 860oC, 1133 K
    • Boiling point:
    • Electrons: 99
    • Protons: 99
    • Neutrons in most abundant isotope: 153
    • Electron shells: 2,8,18,32,29,8,2
    • Electron configuration: [Rn] 5f11 7s2
    • Density @ 20oC: 8.84 g/cm3
  100. Fermium
    • Classification: Fermium is an actinide metal
    • Color:
    • Atomic weight: (257), no stable isotopes
    • State: solid
    • Melting point: 1527oC, 1800 K
    • Boiling point:
    • Electrons: 100
    • Protons: 100
    • Neutrons in most abundant isotope: 157
    • Electron shells: 2,8,18,32,30,8,2
    • Electron configuration: [Rn] 5f12 7s2
    • Density @ 20oC: 8.84 g/cm3
  101. Mendelevium
    • Classification: Mendelevium is an actinide metal
    • Color:
    • Atomic weight: (258), no stable isotopes
    • State: solid
    • Melting point: 827oC, 1100 K
    • Boiling point:
    • Electrons: 101
    • Protons: 101
    • Neutrons in most abundant isotope: 157
    • Electron shells: 2,8,18,32,31,8,2
    • Electron configuration: [Rn] 5f12 7s2
  102. Nobelium
    • Classification: Nobelium is an actinide metal
    • Color:
    • Atomic weight: (259), no stable isotopes
    • State: solid
    • Melting point:
    • Boiling point:
    • Electrons: 102
    • Protons: 102
    • Neutrons in most abundant isotope: 157
    • Electron shells: 2,8,18,32,32,8,2
    • Electron configuration: [Rn] 5f14 7s2
  103. Lawrencium
    • Classification: Lawrencium is an actinide metal
    • Color:
    • Atomic weight: (262), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 103
    • Protons: 103
    • Neutrons in most abundant isotope: 159
    • Electron shells: 2,8,18,32,32,9,2
    • Electron configuration: [Rn] 5f14 6d1 7s2
  104. Rutherfordium
    • Classification: Rutherfordium is a transition metal
    • Color:
    • Atomic weight: (267), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 104
    • Protons: 104
    • Neutrons in most abundant isotope: 163
    • Electron shells: 2,8,18,32,32,10,2
    • Electron configuration: [Rn] 5f14 6d2 7s2
  105. Dubnium
    • Classification: Dubnium is a transition metal
    • Color:
    • Atomic weight: 268, no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 105
    • Protons: 105
    • Neutrons in most abundant isotope: 163
    • Electron shells: 2,8,18,32,32,11,2
    • Electron configuration: [Rn] 5f14 6d3 7s2
  106. Seaborgium
    • Classification: Seaborgium is a transition metal
    • Atomic weight: (271), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 106
    • Protons: 106
    • Neutrons in most abundant isotope: 165
    • Electron shells: 2,8,18,32,32,12,2
    • Electron configuration: [Rn] 5f14 6d4 7s2
  107. Bohrium
    • Classification: Bohrium is a transition metal
    • Color: steel gray presumed
    • Atomic weight: (270), no stable isotopes
    • State: solid
    • Melting point:
    • Boiling point:
    • Electrons: 107
    • Protons: 107
    • Neutrons in most abundant isotope: 163
    • Electron shells: 2,8,18,32,32,13,2
    • Electron configuration: [Rn] 5f14 6d2 7s2
  108. Hassium
    • Classification: Hassium is a transition metal
    • Color:
    • Atomic weight: (269), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 108
    • Protons: 108
    • Neutrons in most abundant isotope: 161
    • Electron shells: 2,8,18,32,32,14,2
    • Electron configuration: 5f14 6d6 7s2
  109. Meitnerium
    • Classification: Meitnerium is a transition metal
    • Color:
    • Atomic weight: (278), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 109
    • Protons: 109
    • Neutrons in most abundant isotope: 169
    • Electron shells: 2,8,18,32,32,15,2
    • Electron configuration: [Rn] 5f14 6d7 7s2
  110. Darmstadtium
    • Classification: Darmstadtium is a transition metal
    • Color:
    • Atomic weight: (281), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 110
    • Protons: 110
    • Neutrons in most abundant isotope: 171
    • Electron shells: 2,8,18,32,32,17,1
    • Electron configuration: [Rn] 5f14 6d8 7s2
  111. Roentgenium
    • Classification: Roentgenium is a transition metal
    • Color:
    • Atomic weight: (281), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 111
    • Protons: 111
    • Neutrons in most abundant isotope: 170
    • Electron shells: 2,8,18,32,32,17,2
    • Electron configuration: [Rn] 5f14 6d9 7s2
  112. Copernicium
    • Classification: Copernicium is a transition metal
    • Color:
    • Atomic weight: (285), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 112
    • Protons: 112
    • Neutrons in most abundant isotope: 173
    • Electron shells: 2,8,18,32,32,18,2
    • Electron configuration: [Rn] 5f14 6d10 7s2
  113. Ununtrium
    • Classification: Ununtrium is an ‘other metal’ (presumed)
    • Atomic weight: (286), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 113
    • Protons: 113
    • Neutrons in most abundant isotope: 173
    • Electron shells: 2, 8, 18, 32, 32, 18, 3
    • Electron configuration: [Rn] 5f14 6d10 7s2 7p1
  114. Flerovium
    • Classification: Flerovium is an ‘other metal’ (presumed)
    • Atomic weight: (289)
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Density @ 20oC:
    • Electrons: 114
    • Protons: 114
    • Neutrons in most abundant isotope: 175
    • Electron shells: 2, 8, 18, 32, 32, 18, 4
    • Electron configuration: [Rn] 5f14 6d10 7s2 7p2
  115. Ununpentium
    • Classification: Ununpentium is an ‘other metal’ (presumed)
    • Atomic weight: (289), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 115
    • Protons: 115
    • Neutrons in most abundant isotope: 174
    • Electron shells: 2, 8, 18, 32, 32, 18, 5
    • Electron configuration: [Rn] 5f14 6d10 7s2 7p3
  116. Livermorium
    • Classification: Livermorium is an ‘other metal’ (presumed)
    • Color:
    • Atomic weight: (293), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 116
    • Protons: 116
    • Neutrons in most abundant isotope: 177
    • Electron shells: 2, 8, 18, 32, 32, 18, 6
    • Electron configuration: [Rn] 5f14 6d10 7s2 7p4
  117. Ununseptium
    • Classification: Ununseptium is a halogen (presumed)
    • Atomic weight: (294), no stable isotopes
    • State: solid (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 117
    • Protons: 117
    • Neutrons in most abundant isotope: 177
    • Electron shells: 2, 8, 18, 32, 32, 18, 7
    • Electron configuration: [Rn] 5f14 6d10 7s2 7p5 (presumed)
  118. Ununoctium
    • Classification: Ununoctium is a noble gas
    • (or a noble solid?) and a nonmetal
    • Atomic weight: (294), no stable isotopes
    • State: gas (presumed)
    • Melting point:
    • Boiling point:
    • Electrons: 118
    • Protons: 118
    • Neutrons in most abundant isotope: 176
    • Electron shells: 2, 8, 18, 32, 32, 18, 8
    • Electron configuration: [Rn] 5f14 6d10 7s2 7p6

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