Name the element whose atomicity is
(a)Tetra atomic
(b)diatomic

a

Explanation:

because its measure it

Phosphorus is a tetra atomic element as it always exists as .

Names of Mono and Tetra atomic elements

Explanation:

The total number of atoms present in the molecule is called atomicity.

Based upon atomicity, the molecules are classified as mono atomic, diatomic, triatomic, and poly atomic molecules.

Mono atomic element:

The element which is made up of only one atom, they are called a mono atomic element.

The examples include Sodium, Zinc, Magnesium, Helium, Neon etc.

Tetra atomic element:

The elements which is made up of 4 atoms of same molecules, they are called a tetra atomic element.

Phosphorus is a tetra atomic element as it always exists as .

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Explanation:

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the awnser is group 12