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Ions and Bonding
Ions and Ionic Bonding
Term | Definition |
---|---|
ion | an atom or group of atoms that has become electrically charged |
polyatomic ion | an ion that is made of more than one atom |
ionic bond | the attraction between oppositely charged ions |
ionic compound | a compound that consists of positive and negative ions |
chemical formula | a combination of symbols that represents the elements in a compound |
subscript | a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound |
crystal | a orderly, three-dimensional pattern of ions or atoms as a solid |
octet | a rule that makes an atom stable (eight valence electrons) |
anion | a, negative, ion |
cation | cats have paws so they are pawsitive (positive ion) |