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Physical Science

electron dot diagram a diagram of an atom, ion, or molecule in which each dot represents a valence electron
ion an atom or group of atoms that has a positive or negative charge
cation an ion with a positive charge
anion an ion with a negative charge
chemical bond the force that holds atoms or ions together as a unit
ionic bond the force that holds cations and anions together
chemical formula notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
crystals solids whose particles are arranged in a lattice structure
covalent bond a chemical bond in which two atoms share a pair of 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 covalently bonded group of atoms that has a positive or negative charge and acts as a unit
metallic bond the attraction between a metal cation and the shared electrons that surround it
alloy a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
Created by: anvalencia