Question

A compound XH is formed by the combination of element X with hydrogen . find the valency of an elements .write the formula of the compounds formed the combination of X with oxygen ( valency of oxygen = 2​

Answer 1

Mark as brainliest for the answer...

The valency of element x is 1

when x combine with O then the formula is

$x_{2}o$

Mark as brainliest and follow

Answer 2

Answer. In the compound XH, valency of H is 1 so, the valency of element X is 1. The valency of nitrogen is 3 and the valency of element X is 1. \therefore The formula of the compound =X_{3}N.