Question

The electron configuration of an atom is 1s 2 2s 2 2p 5 . What is the set of quantum numbers for the last electron of this atom?

A. (2, 1, 0, +½)
B. (2, 1, 0, -½)
C. (2, 0, 0, +½)
D. (2, 0, 0, -½)

Answer 1

Answer:

• A (2,1,0,+1/2)
• this is the required answer
• This is correct
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