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Unit 3 Vocab.
Chemistry Unit 3 Vocabulary
Question | Answer |
---|---|
Non-polar 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 | delocalized 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 Numerals to indicate ion's charge |
Electron Dot Notation | only valence electrons of an element are placed around the element symbol |
Nomenclature | a naming system |