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Unit 3 Chem Words
| Term | Definition |
|---|---|
| Nonpolar Covalent | Electrons are shared equally by bonded atoms; balanced charge |
| Ionic Bond | When electrons are transferred between a metal and nonmetal |
| Covalent Bond | When electrons are shared between 2 nonmetals |
| Polar Covalent | Bonded atoms have an unequal attraction for shared electrons; unbalanced charge |
| Metallic Bond | Electrons move freely among positively charged ions |
| Polyatomic Ion | Charged group of covalently bonded atoms |
| Octet Rule | Outermost valence shell needs 8 electrons for stability |
| Oxidation Number | Number assigned to the charge of an ion in building compounds |
| Stock System | Uses Roman numeral to indicate ion's charge |
| Electron Dot Notation | only valence electrons of an element a |
| Nomenclatureclature | a naming system |