What are the quantum numbers for the last electron in zinc?

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Answer 1 · 2015-11-04T07:45:33

#(4, 0, 0, +1/2)# or #(4, 0, 0, -1/2)#

#""_30Zn: 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(10)#

The quantum number of the last electron of Zinc which is located in the #4s^2# orbital are:

The Principal Quantum Number #n=4#

The Angular Momentum Quantum Number #l=0#

The Magnetic Quantum Number #m_l=0#

The Electron Spin Quantum Number #m_s=+1/2 " or" -1/2#