Question

Define valency..............

Answer 1

Answer :-

Valency of an element is the combining capacity of the atoms of element with atoms of same or different elements.

Valency of an element is determined by number if valence electrons in an atom or element.

Answer 2

Answer:

The valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules

Explanation:

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