Which one of the listed element has the following electronic configurations: 3d^7 4s^2 ?

+3 votes

asked Feb 20, 2019 in JEE by kratos

Which one of the listed element has the following electronic configurations: 3d7 4s2 ?

А. Rh

B. Mn

C. Ni

D. Fe

E. Co

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+3 votes

answered Jan 18, 2021 by kratos

Best answer

Co electronic configurations: 3d7 4s2

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