Science, asked by minzseeta37, 3 months ago

calculate the average atomic mass of chlorine if it exists commonly in two isotopes in the ratio 3:1 helium atom has two electron in it's valency shell but it's valency is not 2.Explain

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Answered by sushamajadhav1979

Answer:

Explanation:

Helium atom with electronic configuration 1s2 has two valence electrons but since it is a noble gas, it does not form a chemical bond, its duplet is complete. Therefore, valency is zero.

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calculate the average atomic mass of chlorine if it exists commonly in two isotopes in the ratio 3:1 helium atom has two electron in it's valency shell but it's valency is not 2.Explain​

Answers

calculate the average atomic mass of chlorine if it exists commonly in two isotopes in the ratio 3:1 helium atom has two electron in it's valency shell but it's valency is not 2.Explain