Question

5.If K,L and M shells are fully filled in an atom, what element is it?​

Answer 1

Answer:

nickel

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Answer 2

nickel

Explanation:

K shell can accommodate a maximum of 2 electrons. L shell can accommodate a maximum of 8 electrons and M shell can accommodate a maximum of 8 electrons. Hence, If K, L and M shell of an atom are full, then the total number of electrons in the atom would be: 2 + 8 + 8 = 18 electrons.