superscripts are higher(they are exponents) and subscripts are normal big letters
hydrogen ion
H+
lithium ion
Li+
sodium ion
Na+
Potassium ion
K+
Rubidium ion
Rb+
Cesium ion
Cs+
Beryllium ion
BeĀ²+
Magnesium ion
MgĀ²+
Calcium ion
CaĀ²+
Strontium ion
SrĀ²+
Barium ion
BaĀ²+
Radium ion
RaĀ²+
H-
Hydride
F-
flouride
Cl-
Chloride
Br-
Bromide
I-
Iodide
Oxide
OĀ²-
Selenide
SeĀ²-
Nitride
NĀ³-
PĀ³-
Phosphide
AsĀ³-
arsenide
Ag+
silver ion
ZnĀ²+
zinc ion
AlĀ³+
aluminum ion
Cu+
cuprous ion
CuĀ²+
Cupric ion
Au+
gold (1) ion
AuĀ³+
Gold (3) ion
SnĀ²+
tin (2) ion
Sn^4+
Tin (4) ion
NiĀ²+
Nickel (2) ion
Ni^4+
Nickel (4) ion
PbĀ²+
Plumbous ion
Pb^4+
Plumbic ion
FeĀ²+
ferrous ion
FeĀ³+
ferric ion
CrĀ²+
Chromous ion
CrĀ³+
Chromic ion
CoĀ²+
Cobalt (2) ion
CoĀ³+
Cobalt (3) ion
MnĀ²+
Manganese (2) ion
MnĀ³+
Manganese (3) ion
Hg2Ā² +
Mercury (1) ion
HgĀ²+
Mercury (2) ion
NO3-
Nitrate
NO2-
Nitrite
CrO4Ā²-
chromate
Cr2O7Ā²-
Dichromate
CO3Ā²-
Carbonate
HCO3-
Bicarbonate
SO4Ā²-
sulfate
SO3Ā²-
Sulfite
PO4Ā³-
Phosphate
PO3Ā³-
Phosphite
MnO4-
permanganate
ClO4-
perchlorate
Clo3-
chlorate
ClO2-
chlorite
ClO-
Hypochlorite
IO4-
iodate
IO-
hypoiodate
BrO3-
Bromate
BrO-
Hypobromite
C2H3O2-
acetate
NH4+
ammonium ion
CN-
Cyanide
SCN-
Thiocyanate
OCN-
Cyanate
OH-
Hrdoxide
O2Ā²
Peroxide
HSO4-
Bisulfate
HSO3-
Bisulfite
HPO4Ā²-
Hydrogen phosphate
H2PO4-
Dihydrogen phosphate
C2O4Ā²-
oxalate