mono
one
di
two
tri
three
tetra
four
penta
five
hexa
six
hepta
seven
octa
eight
nona
nine
deca
ten
ionic compound
metal and non-metal
cation
atom loses one or more electron
metals - left hand side
anion
atom gains one or more electrons
non-metals - right hand side
Ammonium ion
NH4^+
cyanide ion
CN^-
acetate ion
CH3CO2^-
carbonate ion
CO3^2-
bicarbonate ion
HCO3^-
oxalate ion
C2O4^2-
nitrite
NO2^-
nitrate
NO3^-
phosphate
PO4^3-
hydrogen phosphate
HPO4^2-
dihydrogen phosphate
H2PO4^-