Science, asked by pawaskarmishti, 3 months ago

valency and valence electrons of first 20 elements of periodic table​

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Answered by md6926739
3

Answer:

The Valency of First 20 Elements

Element Symbol Valency

Helium He 0

Lithium Li 1

Beryllium Be 2

Boron B 3

16 more rows

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