Question

Write the atomicity of cao

Answer 1

Explanation:

Quicklime Calcium oxide — CaO

Answer 2

$\huge\underline\bold{★Answer:-}$

The Atomicity Of CaO ( calcium oxide ) is 2 .As there are two atoms which bound together to form a compound . so its atomicity is 2 .

★Note:-

• what is Atomicity ?

⇒ Atomicity means the number of Atoms present in a molecule or in a compound .

By atomicity we can find out how many different kinds of atoms does a molecule or an compound have .

For example -

• Mgo ( Magnesium oxide)-

⇒ Its atomicity is 2 as there are 2 kinds of one each atom present . one is Magnesium and other is oxygen.

• Caco3 ( calcium carbonate)

⇒ Its atomicity is 5 as there are one atom of calcium , one atom of carbon and three atoms of oxygen .

• H2O ( hydrogen oxide ) [ @ water]

⇒ The Atomicity of hydrogen oxide is 3 as there are one atom of hydrogen 2 atom of oxygen .

Hope it helps you ..