Question

explain diffrent types of valency

Answer 1

Hi,

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

There are two types of valency :

1. Electrovalency

2. covalency

Answer 2

$\textbf{Valency}$

Valency tells us how many electrons does an atom need to loose, gain and share to attain a stability to form a compound.

$\textbf{Valency is of two types :}$

1) Electrovalency

2) Covalency

» Electrovalency : The number of electrons gain or lost during formation of an ionic compound.

» Covalency : The sharing of electrons in a chemical compound. (The number of pairs of electrons that an atom can share).