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Chapter 6 Vocabulary

Physical Science Chapter 6 Vocabulary

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
Chemical bond the force that holds atoms or ions together as a unit
ionic bond the force that holds cations and anions together.
Cation An ion with a positive charge.
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, at least one of which is a metal.
Created by: heather.kriston
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