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Chapter 5

Atoms, Bonding, and the Periodic Table

QuestionAnswer
valence electrons those electrons that have the highest energy level and are held most loosely
electron dot diagram depicts the number of valence electrons by the symbol of an element surrounded by dots
chemical bond the force of attraction that holds two atoms together as a result of the rearrangement of electrons between them
ion an atom or group of atoms that has an electric charge
polyatomic ion ions that are made up of more than one atom
ionic bond the attraction between two oppositely charged ions
ionic compound a compound that consists of positive and negative ions
chemical formula a combination of symbols that shows the ratio of elements in a compound
subscript tells you the ratio of elements in the compound
crystal the orderly, three-dimensional arrangement of ions
covalent bond chemical bond formed when two atoms share electrons
molecule a neutral group of atoms joined by covalent bonds
double bond formed when two atoms share two pairs of electrons
triple bond formed when atoms share three pairs of electrons
molecular compound a compound that is composed of covalently bonded molecules
polar bond a covalent bond in which electrons are shared unequally
nonpolar bond a covalent bond in which electrons are shared equally
alloy a mixture made of two or more elements that has the properties of metal
metallic bond an attraction between a positive metal ion and the electrons surrounding it
Created by: KerriReynolds
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