Q. An $f$-shell containing 6 unpaired electrons can exchange
A) 6 electrons
B) 9 electrons
C) 12 electrons
D) 15 electrons
Explanation
(d)
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$5 + 4 + 3 + 2 + 1 = 15$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.