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Unit 3 chemistry
| Term | Definition |
|---|---|
| covalent bond | when electrons are shared between 2 nonmetals |
| Electron dot notation | only valence electrons of an element are placed around the element symbol |
| ionic bond | when electrons are transferred between a metal and nonmetal |
| metallic bond | electrons move freely among positively charged ions |
| nomenclature | a naming system |
| non polar covalent | electrons are shared equally by bonded atoms; balanced charge |
| Octet rule | outermost valence shell needs and electrons for stability |
| oxidation number | number assigned to the charge of an ion building compounds |
| polar covalent | bonded atoms have an unequal attraction for shared electrons; unbalanced charge |
| Poly-atomic ion | charged group of covalently bonded atoms |
| stock system | uses roman numeral to indicate ions charge |
Created by:
jessica.opall99