click below
click below
Normal Size Small Size show me how
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 |