Question

(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 1

Correct Answer - (b) (i) `YCl_(4)` , (ii) `YO_(2)` , (iii) `Y(SO_(4))_(2)`, (iv) `Y(CO_(3))_(2)` , (v) ` Y(NO_(3))_(4)`