Question

Write the atomicity of the first 20 elements in a tabular form

Answer 1

Answer:

hydrogen-2

helium-1

lithium-1

beryllium-1

boron-it has allotropes

carbon-2,4

nitrogen-2

oxygen-2

flourine-2

neon-1

sodium-1

magnesium-1

alummunium-1

silicon-network lattice

phosphorus-4

sulphur-8

chlorine-2

argon-1

potassium-1

calcium-1

Explanation:

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