Question

Give the symbols and valencies of following ****:

(a) Hydroxide (b) Chloride

(c) Carbonate (d) ammonium

(e) Nitrate

Answer 1

| Element | Symbol | Valencies |
| (a) Hydroxide | OH- | 1 |
| (b) Chloride | Cl- | 1 |
| (c) Carbonate | CO32- | 2 |
| (d) Ammonium | NH4+ | 1 |
| (e) Nitrate | NO3- | 1 |