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5 votes
How many electrons can be held in the entire third energy level? (2 points)

8
9
18
32

2 Answers

1 vote
8. The first electron level holds only 2, but every one after the first holds 8 only.
User Eik
by
7.7k points
3 votes
18. 2 + 6 + 10 the formula is 2(n squared)
User Chintan Hingrajiya
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7.0k points