Chemistry 3
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Created by:
Shelbi_Gail on October 5, 2011
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19 terms
Terms | Definitions |
|---|---|
 period/series | row |
| groups/families | columns |
| 1A & 2A | S sublevel |
| 3A-8A | p sublevel |
| B's | d sublevel |
| Lanthanide/actinide series | f sublevel |
| order of stability | Full outer shell; full sublevel shells;half-full sublevels;partially filled |
| Full outer shell | most stable arangement |
| Noble gasses | have a full outer shell; very stable |
| Abbreviation symbol | short-hand representation of writing the element |
| Chemical Formulas | represents a compound includes the elements involved and ratios of of atoms in a molecule |
| Ion | an atom with a net electrical charge |
| Positive Atom | means a electron or electrons have been taken away |
| Negative Atom | means a electron or electrons have been added |
| Polyatomic ion | group of two or more atoms with a net electrical charge |
| Oxidation Number | net electrical charge of an ion |
| Rules for writing Chemical formulas | Always write the positive ion first; Swap and Drop |
| Roman Numerals tell us | what oxidation numbers to use |
| Formula for the maximum number to electrons in the outer shell | 2(level)squared |
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