Question

A distribuição do elemento cobalto (Z=27) é: a)1s2 2s2 2p6 3s2 3p6 4s2 3d7 b)1s2 2s2 2p6 3s2 3p6 3d10 4s1 c)1s2 2s2 2p6 3s2 3p6 4s2 3d6 d)1s2 2s2 2p6 3s2 3p6 3d9 4s2 e)1s2 2s2 2p6 3s2 3p6 4s2 3d8

Answer 1

Resposta:

a) $1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{7}$