Q.
The correct set of four quantum numbers for the valence electron of strontium atom (Z = 38) is
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a
4,0,0,+12
b
5,1,0,−12
c
5,2,1,+12
d
5,0,0,+12
answer is D.
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Detailed Solution
Sr (Z=38):[Kr]5s2For 5s electron : n=5,l=0,m=0,s=+12 or −12
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