Cations | Anions |
Sodium (Na+) | Chlorine (Cl−) |
Calcium (Ca2+) | Sulfate ( ) |
Magnesium (Mg2+) | Bicarbonate ( ) |
Potassium (K+) | Carbonate ( ) |
Barium (Ba2+) | Nitrate ( ) |
Lithium (Li+) | Bromine (Br−) |
Iron (Fe2+) | Iodine (I−) |
Strontium (Sr2+) | Borate ( ) |
Sulfur (S2−) |