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chapter 6

science

TermDefinition
electron dot digram a model of an atom in which each dot represent a valence electron
ion a positively or negatively charged electron
anion an ion with a negative charge
cation an ion with a positive charge
chemical bond holds atoms or ions together
ionic bond the force that holds cations an anions together
chemical formula a notation that shows what an element compound contains
crystals solids who's particles are arranged in a lattice structure
covalent bond a chemical bond in which to atoms share valence electrons
molecule a neutral group of atoms that are joined together by one or more covalent bonds
polar covalent bond a covalent bond in which electrons are not shared equally
polyatomic ion a covalent bond that is either positively charged or negatively charged
metallic bond an attraction between metal cation and the shared electrons that surround it
alloy a mixture of two or more elements and one must be a metal
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