Question

1)Para o elemento de número atômico 28, a configuração eletrônica é:
a)1s 2 2s 2 2p 6 3s 2 3p 6 3d 10
b)1s 2 2s 2 2p 6 3s 2 3p 6 3d 2 4s 2 4p 6
c)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 8
d)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4p 6 5s 2
e)1s 2 2s 2 2p 6 3s 2 3p 6 4s 1 3d 9

Answer 1

Resposta:

c)1s2 2s2 2p6 3s2 3p6 4s2 3d8