Physics, asked by gauribhalerao9199, 1 month ago

please answer these questions it's argent

any one of that please

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Answered by manjeetsinghmeena6

1

Answer:

lithium

atomic number 3

valence electron 1

valency +1

berilium

electronic configuration 2,2

valence electron 2

boron

valence electron 3

valency +3

carbon

atomic number 6

valency +4

nitrogen

electronic configuration 2,5

valence electron 5

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