alleryTotal number of electrons that can occupy shell with n = 4:
A32 (= 2n²)
B18
C8
D50
Answer & Solution
Correct answer: A. 32 (= 2n²)
Maximum electrons in shell n is 2n².
For n = 4: 2(16) = 32. (Breakdown: 4s² 4p⁶ 4d¹⁰ 4f¹⁴ = 32 electrons.)
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