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What is the maximum number of electrons that can be accommodated in the P shell?

1. 6
2. 2
3. 72
4. 50

Correct answer: 72

Solution

P shell means n = 6 (K=1, L=2, M=3, N=4, O=5, P=6). Maximum electrons = 2*n² = 2*36 = 72.

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