1.

(a) write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).(b) an element Y has a valency of 4. Write the formula for its:(i) chloride (ii) oxide (iii) sulphate (iv) carbonate (v) nitrate

Answer» (a) write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).

(b) an element Y has a valency of 4. Write the formula for its:

(i) chloride (ii) oxide (iii) sulphate (iv) carbonate (v) nitrate


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