Iron II
Fe²⁺
Iron III
Fe³⁺
Copper I
Cu¹⁺
Copper II
Cu²⁺
Gold III
Au³⁺
Tin II
Sn²⁺
Tin IV
Sn⁴⁺
Lead II
Pb²⁺
Lead IV
Pb⁴⁺
Mercury I
Hg₂²⁺
Mercury II
Hg²⁺
Silver ion
Ag¹⁺
Zinc ion
Zn²⁺
Cadmium ion
Cd²⁺
Carbonate
CO₃²⁻
Nitrate
NO₃¹⁻
Chlorate
ClO₃¹⁻
Bromate
BrO₃¹⁻
Iodate
IO₃¹⁻
Phosphate
PO₄³⁻
Sulfate
SO₄²⁻
Cations
Positively Charged
Group 1 Elements
+1 Charge
Hydrogen ion
H¹⁺
Lithium ion
Li¹⁺
Sodium ion
Na¹⁺
Potassium ion
K¹⁺
Rubidium ion
Rb¹⁺
Cesium ion
Cs¹⁺
Group 2 Elements
+2 Charge
Beryllium ion
Be²⁺
Magnesium ion
Mg²⁺
Calcium ion
Ca²⁺
Strontium ion
Sr²⁺
Barium ion
Ba²⁺
Group 13 Elements
+3 Charge
Aluminum ion
Al³⁺
Anions
Negatively Charged; Ends in ‘-ide’
Group 15 Elements
-3 Charge
Nitride
N³⁻
Phosphide
P³⁻
Group 16 Elements
-2 Charge
Oxide
O²⁻
Sulfide
S²⁻
Group 17 Elements
-1 Charge
Fluoride
F¹⁻
Chloride
Cl¹⁻
Bromide
Br¹⁻
Iodide
I¹⁻
Nitrite
NO₂¹⁻
Chlorite
ClO₂¹⁻
Bromite
BrO₂¹⁻
lodite
IO₂¹⁻
Phosphite
PO₃³⁻
Sulfite
SO₃²⁻
Perchlorate
ClO₄¹⁻
Perbromate
BrO₄¹⁻
Periodate
IO₄¹⁻
Hypochlorite
ClO¹⁻
Hypobromite
BrO¹⁻
Hypoiodite
IO¹⁻