10. A configuração eletrônica do íon Ni2+ (Z = 28) é:

a) 1s2 2s2 2p6 3s2 3p6 4s2 3d10
b) 1s2 2s2 2p6 3s2 3p6 4s2 3d 8
c) 1s2 2s2 2p6 3s2 3p6 4s1 3d7
d) 1s2 2s2 2s6 3s2 3p6 4s2 3d6
e) 1s2 2s2 2p6 3s2 3p6 3d 8


RESPOSTA: LETRA E (gostaria apenas do calculo ou explicação)
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