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Unit 3 and 4

lewis dot structures, covalent and ionic bonds, and naming

TermDefinition
Chemical Formula a symbolic representation of its chemical composition
Lewis Dot Structure a very simplified representation of the valence shell electrons in a molecule using chemical symbols, dots, lines, and arrows
Octet Rule the tendency of atoms to prefer to have eight electrons in the valence shell
Ionic Bond bond between metal and nonmetal
Covalent Bond bond between nonmetal and nonmetal
Electronegativity the tendency of an atom to attract an electron; the higher it is the 'greedier' the atom.
Oxidation Number the ionic charge of a compound or atom
Valence Electrons the electrons in the outermost ring of an atom
Cations positively charged ions
Anions negatively charged ions
Ion an atom that has lost or gained electrons and therefore has an electric charge (positive or negative)
Polyatomic Ion An ion that is composed of more than one type of atom
Created by: aolson91
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