Question

Write all four quantum number of the last electron of Cr ( Atomic number =24 )​

Answer 1

Atomic number of cr is 24 it's electronic configuration is 1s^2 2s^2 2p^6 3s^2 3p^6 3d^5 4s^1 the outer most shell is 3d^5

then,

n=3, l=2, ml= 2 Ms=+1/2