How many electrons can the second electron shell of an atom hold?
Answer and explanation
Correct answer: B. 8
- Step 1: The second shell can hold up to 8 electrons (2n^2 with n = 2).
- Step 2: The first holds 2.
Answer
8.
Why not the others: 2 is the first shell, 18 the third and 32 the fourth.
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