Chem unit 4

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Author:
lrsimon
ID:
55268
Filename:
Chem unit 4
Updated:
2010-12-12 13:29:12
Tags:
chemistry semesters
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Description:
Ions and ionic compounds
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  1. Ions:
    are atoms that have gained a positive or negative charge.
  2. Relate electron configuration of an atom to its chemical reaction:
    the difference in reactivity is directly related to the valence electrons. Unreactive noble gases have electron configurations that have a full outermost energy level.
  3. Cations:
    A positively charged ion.
  4. Anion:
    a negatively charged ion.
  5. Polyatomic ions:
    • ions made up of more than one atom.
    • a polyatomic ion composed of an element bonded to one or more oxygen atoms is an oxyanion.
    • The ion with the greater number of oxygen atoms gets the suffix -ate
    • The ion with the fewer oxygen atoms gets the suffix -ite.

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