The number of f electrons in the ground state electronic con

Question

The number of f electrons in the ground state electronic configuration of Np (Z = 93) is ___________. (Nearest integer)

DivineJEE · Accepted Answer

Np = 1s^(2) 2^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) 3d^(10) 4p^(6) 5s^(2) 4d^(10) 5p^(6) 6s^(2)4f^(14) 5d^(10) 6p^(6) 7s^(2) 5f^(4) 6d^(1)Total No. of 'f' electron = 14e^(-) + 4e^(-) = 18

Explanation

The electronic configuration of Pt atomic number 78 is

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