Chemistry ch 10

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Author:
AnnaIsCool
ID:
58118
Filename:
Chemistry ch 10
Updated:
2011-01-04 19:18:17
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Periodic properties
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Description:
chemistry chapter 10 periodic properties
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  1. How are metallic ions formed?
    The loss of electronns.
  2. Are metallic ions bigger or smaller than their atoms?
    Smaller
  3. How are nonmetallic ions formed?
    Gaining electrons
  4. Are nonmetallic ions bigger or smaller than their ions?
    Bigger
  5. Atomic radius on the periodic table
    • Increase down
    • Decrease left to right
  6. Ionization energy
    The energy required to remove an electron from its atom
  7. First ionization energy on the periodic table
    • Increase up
    • Increase left to right
  8. Metals have what kind of ionization energy?
    Low
  9. Nonmetals have what kind of ionization energy?
    High
  10. Shielding effect
    • inner electrons block the attraction of the nucleus (it's far away)
    • Lowers ionization energy
  11. 4 factors affectiong ionization energy
    • 1. Nuclear charge- the larger the nuclear charge, the greater the energy
    • 2. Shielding effect-the greater the shielding effect, the less energy
    • 3. Radius- the greater the distance between the nucleus and the outer electrons, the less energy required
    • 4. Sublevel- electron from a half full or full sublevel takes more energy
  12. Electron affinity
    The attraction of an atom for an electron
  13. Metals have what kind of electron affinities?
    Low
  14. Nonmetals have what kind of electron affinities?
    High
  15. Electron affinities on the periodic table?
    • Decrease down
    • Increase left to right

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