List of Common Monoatomic & Polyatomic Ions
1+ Charge
Iron (III) – Fe 3+
Perchlorate - ClO41-
Sodium – Na 1+
Cobalt (III) – Co 3+
Nitrite - NO2 1-
Potassium – K 1+
4+ Charge
Nitrate – NO3 1-
Lithium – Li 1+
Tin (IV) – Sn 4+
Bicarbonate – HCO31-
Silver – Ag 1+
Lead (IV) – Pb 4+
Acetate – C2H3O2 1-
Copper (I) – Cu 1+
1- Charge
Bisulfate – HSO4 1-
Rubidium – Rb 1+
Fluoride – F 1-
Cyanide – CN 1-
2+ Charge
Chloride – Cl 1-
Iodate – IO3 1-
Chromium (II) – Cr 2+
Bromide – Br 1-
Thiocyanate - SCN 1-
Magnesium – Mg 2+
Iodide – I 1-
Permanganate – MnO4 1-
Iron (II) – Fe 2+
2- Charge
Hydroxide – OH 1-
Cobalt (II) – Co 2+
Oxide – O 2-
2- Charge
Nickel (II) – Ni 2+
Sulfide – S 2-
Sulfite – SO3 2-
Calcium – Ca 2+
Selenide – Se 2-
Sulfate – SO4 2-
Zinc – Zn 2+
3-Charge
Chromate – CrO4 2-
Copper (II) – Cu 2+
Nitride – N 3-
Dichromate – Cr2O7 2-
Strontium – Sr 2+
Phosphide – P 3-
Oxalate – C2O4 2-
Barium – Ba 2+
Arsenide – As 3-
Tin (II) – Sn 2+
Polyatomic Ions
Monohydrogen
Phosphate – HPO4 2Carbonate – CO3 2-
Lead (II) – Pb 2+
1+ Charge
3- Charge
Radium – Ra 2+
Ammonium NH41+
Phosphate – PO4 3-
3+ Charge
1- Charge
Arsenite – AsO3 3-
Nickel (III) – Ni 3+
Hypochlorite – ClO 1-
Arsenate – AsO4 3-
Chromium (III) – Cr 3+
Chlorite – ClO2 1-
Aluminum – Al 3+
Chlorate – ClO3 1-