Atomicity of phosphorus is:

The formula of Phosphorus is P4. So the atomicity of phosphorus is 4.

What is atomicity?

The number of atoms presents in a single molecule is termed its atomicity. It can be classified into three types.

  • The molecules of many elements are composed of only a single atom of that element. They are termed monatomic. For example, Ar (Argon), He(Helium). So their atomicity is one.
  • The molecules of many elements are composed of two atoms of that element. For example, oxygen can never exist independently and exist as an O2 molecule known as diatomic, So its atomicity is 2.
  • The molecules of many elements are composed of three atoms of that element. They are termed triatomic, For example, O3, CO2. So their atomicity is 3.
  • The molecules of many elements are composed of four atoms of that element. They are termed as tetra atomic For example, P4, SO3. So their atomicity is 4.

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