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Chapter 8
Ionic Compounds
15
Chemistry
10th Grade
11/12/2007

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Term
chemical bond
Definition
the force that holds two atoms together
Term
cation
Definition
a positively charged ion
Term
anion
Definition
a negative ion
Term
ionic bond
Definition
electrostatic force that holds oppositely charged particles together
Term
electrolyte
Definition
ionic compound in aqueous solution that conducts an electric current
Term
lattice energy
Definition
energy required to separate one mole of an ionic compound
Term
formula unit
Definition
simplest ratio of ions represented in an ionic compound
Term
monatomic ion
Definition
a one-atom ion
Term
oxidation number
Definition
charge of a monatomic ion
Term
polyatomic ion
Definition
ions made up of more than one atom
Term
oxyanion
Definition
polyatomic ion composed of an element bonded to one or more oxygen atoms
Term
electron sea model
Definition
all metal atoms donate their valence electrons
Term
delocalized electrons
Definition
are free to move throughout the solid
Term
metallic bond
Definition
attraction of a metallic cation for delocalized electrons
Term
alloy
Definition
mixture of elements that has metallic properties
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