Question

An element X forms a compound XH, with hydrogen. Another element Y forms a compound
YX, with X. Given that the valency of hydrogen is 1. what are the valencies of X and Y?​

Answer 1

Explanation:

Valency of x is +3 and valency of y is -6. ... an element X forms a compound XH3 with hydrogen . another element Y forms a comound YX2 with X what are the valencies of X and Y. 2