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IGHS Winkels

Physical Science Chapter 6

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
Chemical formula a notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compund
Crystals solids whose particles are arranged in a lattice structure
Covalent bond is 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 mixure of two or more elements or more elements, at least one of which is a metal
Cation an ion with a positive charge
Created by: Winkels
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