Question

what do uh mean by valency??​

Answer 1

Heya mate

In chemistry, the valence orvalency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. The concept ofvalence developed in the second half of the 19th century and helped successfully explain the molecular structure of inorganic and organic compounds.❤️

Answer 2

The valency of element is a measure of its combining power with other atom when it forms molecules

Hope it helps u♥♥