2.66 Indicate the number of unpaired electrons in :
(c) Cr
The electronic configuration of Cr : .
Hence, the number of unpaired electrons are 6 (1 in 4s and 5 in 3d).
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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