Physics, asked by kaverispatil182, 3 months ago

Draw the electronic configuration of 1st 20 elements and also find valency.

Answers

Answered by TanushiE

0

Explanation:

ElementAtomic NumberValencyValency of Hydrogen11Valency of Helium20Valency of Lithium31Valency of Beryllium4226 more rows

Answered by sahil766b

0

Answer:

yes..................

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