Biology, asked by mynameisakshay4052, 1 year ago

An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?"

Answers

Answered by shayanchdhr

3

Explanation:

Magnesium has atomic no. 12 and its electonic configuration 2,8,2.So,

K shell contain 2 electrons and L shell contain 8 electrons and M shell contain 2electrons

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