List the cations and anions of the substances given in the table.
Substance |
Chemical formula |
Anion |
Cation |
Potassium Sulphate |
K2SO4 |
..... |
....... |
Ammonium Nitrate |
NH4NO3 |
...... |
...... |
Calcium Chloride |
CaCl2 |
....... |
......... |
Magnesium Carbonate |
MgCO3 |
...... |
...... |