What is the electron configuration for nickel (Ni)?
The Periodic Table
A. 1522s22p63523p640408
O B. 1s22s22p63s23p64dB
C. 1922s22p63s23p3 dB
O D. 1922s22p63523p63.10
HELP!!

Respuesta :

It’s

1s2 2s2 2p6 3s2 3p6 4s2 3d6
The answer is b and it is not c