polyatomic ion
a charged group of atoms
binary compound
a compound composed of two elements
polar molecule
a molecule with partially charged areas
ion
a positively or negatively charged particle
ionic bond
a chemical bond between oppositely charged ions
covalent bond
a bond formed from shared electrons
hydrate
crystalline substance that contains water
molecule
a particle made of covalently bonded atoms
oxidation number
shows an elements combining ability and is the number of electrons an element gains looses or shares
chemical formula
tells which elements are in a compound and their ratios
chemical bond
the bond that holds atoms together in a compound