Chemistry Notes Test 3

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Author:
sarahx1194
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45482
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Chemistry Notes Test 3
Updated:
2010-10-28 20:46:39
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Chemistry
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Things to know for test 3
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  1. How did Mendeleev group the elements on the periodic table?
    Chemical properties, arranged it left to right by atomic mass.
  2. How did Moseley arrange the elements on the periodic table?
    By atomic number.
  3. Noble gases are unreactive because?
    They have a full outer shell.
  4. Frequency and wavelength have a ______ relationship.
    Inverse
  5. Think of Planck think of _______
    Quanta
  6. Where are the alkali metals found?
    Group 1
  7. Where are the Lanthanides found?
    f-block, period 6
  8. Where are the Actinides found?
    f-block, period 7
  9. Octet Rule
    In order to be stable elements want to have a full valence shell of typically 8 electrons
  10. BrINClHOF
    • Br- Bromine
    • I- Iodine
    • N- Nitrogen
    • Cl- Chlorine
    • H- Hydrogen
    • O- Oxygen
    • F- Flourine
  11. Group 1
    Most reactive metals
  12. Group 17
    Most reactive nonmetals
  13. Group 18
    Least reactive elements
  14. What is the trend for atomic radius down a group?
    Increase
  15. What is the trend for atomic radius across a period?
    Decrease
  16. What is the trend for ionization energy across a period?
    Increase
  17. What is the trend for ionization energy down a group?
    Decrease
  18. What is the trend for electronegativity across a period?
    Increase
  19. What is the trend for electronegativity down a group?
    Decrease or remain the same

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