Valency of Oxygen

What is the Valency of Oxygen?

The valency of oxygen is 2.

This means oxygen needs to gain or share two electrons for stability. To complete an octet requires 2 more electrons, hence the combining capacity or valency of oxygen is 2.

Electronic configuration of Oxygen

The capacity of bonding of an atom with another atom of an element while forming a molecule is called valency.

The valency of an element is determined by the number of atoms of H or Cl can be bond with one of its atoms.

Electronic configuration of Oxygen

For non-metal elements, the number of outermost odd electrons of an element is called valency.

From the electronic configuration of Oxygen, we can see there is two odd electrons of its outermost energy level.

So, the valency of oxygen is 2.

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