Question

Deduce the molecular formulae of the compounds formed from the following pairs of elements. (i) H (valency 1) and O (valency 2) (ii) N (valency 3) and H (valency 1) (iii) Fe (valency 2) and S (valency 2) (iv) Ca (Valency 2) & O (Valency 2)​

Answer 1

Answer:

Valeny 2

Explanation:

mocule formula of the compounds