Chemistry, asked by Sandeepgoud9019, 1 year ago

Easy way to learn atomic number of first 20 elements

Answers

Answered by arpita8137

1

Hydrogen. H.

Helium. He.

Lithium. Li.

Beryllium. Be.

Boron. B.

Carbon. C.

Oxygen. O.

Nitrogen. N.

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