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Ch.6 Vocab

TermDefinition
Electron Dot Diagram A model of an atom in which each dot represents a valence electron.
Ion An atom that has a net positive or negative electric charge
Anion An ion with a negative charge
Cation An ion with a positive 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 A 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