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Chemistry Vocab.
Ch. 8 Vocab
13
Science
10th Grade
11/08/2010

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Term
chemical bond
Definition
the force that holds two chemicals together
Term
cation
Definition
a positively charged ion
Term
anion
Definition
a neagtively charged ion
Term
ionic bond
Definition
a chemical link between two atoms caused by the electrostaticforce between oppositely-charged ions in an ionic compound.
Term
lattice energy
Definition
the energy required to seperate one mole of the ions of an ionic compound
Term
monatomic ionic
Definition
one atom ion (Mg or Br)
Term
oxidation number
Definition
the charge of a ion
Term
polyatomic ions
Definition
ions composed of an element
Term
electron sea model
Definition
a model of metallic bonding in which cations are consider to be fixed points within amobile 'se' of electons
Term
formula unit
Definition
the simplest ratio of ions represented in a ionic compound
Term
delocalized electrons
Definition
elcetrons not in localized
Term
metallic bond`
Definition
the attraction of a meatllic cation for delocalized electron
Term
alloy
Definition
a mixture of elements that have meatallic properties
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