bavinraj0607 bavinraj0607

02-11-2020
Chemistry

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Predict the valency of A atomic number 5

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hermionegranger59 hermionegranger59

02-11-2020

atomic number = number of protons

number of protons = number of electrons

So, number of electrons = 5

So, electron configuration = 2, 3

So, its valency = 3

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