# What is the valency of the element?

Aug 9, 2017

This is formally the number of hydrogen atoms to which an element will bind.

#### Explanation:

$\text{Valency}$ is an old-fashioned term, and nowadays it is more common to speak of $\text{oxidation state and oxidation number}$.

Given the definition, the valency of carbon is four; that of nitrogen and boron, three; that of the halogens, one........

Aug 9, 2017

See Explanation.

#### Explanation:

Valency of an element is the number of electrons in the outermost shell of the element.