IPC Test Reveiw

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Anonymous
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44885
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IPC Test Reveiw
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2010-10-25 20:06:05
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  1. each inner energy level of an atom has a maximum number of____it can hold.
    Electrons
  2. Dot diagrams are used to represent_____.
    outer level electrons
  3. Particals of matter that make up protons and neutrons are____.
    quarks
  4. A chemical symbol represents the ______ of an element.
    name
  5. horizontal rows of the periodic table are called____.
    periods
  6. Atoms of the same element with different numbers of neutrons are called______.
    isotopes
  7. A partical that moves around the nucleus is a a(n)_____.
    electrons
  8. elements that are gases, are brittle, and are poor conductors at room temperature are ___.
    nonmetals
  9. A______is used to acclerate protons in the study of subatomic particals.
    tevatron
  10. A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is_____.
    • 56
    • Add p's+n's
    • 26+26=56
  11. At room temperature, most metals are___.
    solids
  12. The process by wich solid iodine particals change directly to gas without first becoming a liqid is called____.
    sublimation
  13. Elements that form salts by combining with metals are___.
    halogens
  14. Substances that conduct an electric current only under certain conditions are most likley to be____.
    metalliods
  15. Different forms of the same element that have different properties becouse of different atom arangments are called___.
    allotropes
  16. An allotrope of carbon that is soft and can be used as a lubricant is____.
    graphite
  17. An allotrope of carbon that is hard and is often used in jewelry is____.
    diamond
  18. Hydrogen is grouped with alkali metals becouse it____.
    has one electron on its outer energy level.
  19. A chemical family whose members exist as reactive diatomic molecules in the gaseus phase is the_____.
    halogens
  20. When hydrogen reacts with the active metals, it forms a chemical bond by____.
    gaining one electron
  21. The elements in group 3 through 12 of the periodic table are the ___.
    transition elements
  22. A family of elements that has two electrons in its outer energy level is the____.
    alkline earth elements
  23. Metals can be used as wire becouse they are____.
    ductile
  24. Elements in wich the outer electrons are NOT held tightly are most likley to form______bonds.
    metalic
  25. Bromine is the only halogen and nonmetal that is normally a________.
    liquid
  26. The only metal that is a liquid at room temperature is_____.
    mercury
  27. A synthetic element that is used in smoke detectors is_____.
    americium
  28. All synthetic elements are____.
    radioactive
  29. Cobolt, iron, and nickle are known as the_____triad.
    iron
  30. Three transition elements in group 12 of the periodic table are____.
    mercury, zinc, and cadmium
  31. Any element with an atomic number greater than that of uranium is a a(n)____.
    transsuranium element
  32. The noble gases are in____.
    group 18
  33. elements that lie along the stair-step line of the periodic table are____.
    metalliods
  34. The appearance of solid metals can be decribed as____.
    shiny
  35. A family of elements that contains the most reactive metals is the___.
    alkali metals
  36. Radioactive elements compermise a majority of the____.
    actinides
  37. Explain why noble gases are stable.
    They are stable becouse outermost energy level is full.
  38. Compare the masses of protons, elctrons, and neutrons.
    • mass of p-1
    • mass of e-0
    • mass of n-1
  39. Give the name for each element:
    • Na-Sodium
    • Fe-Iron
    • W-tungsten
    • Ag-Silver
    • Sn-Tin
    • Sb-
  40. Wich metal is founded in the largest amount in the human body?
    Calcium
  41. Alkali metal
    metal
  42. alkaline earth metal
    metal
  43. iron triad
    metal
  44. halogens
    nonmetal
  45. noble gases
    nonmetal
  46. boron group
    metal
  47. carbon group
    metal
  48. nitrogen group
    metal
  49. oxygen group
    nonmetal

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