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What is the maximum number of electrons that can occupy the 3rd electron shell?

User BradS
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Answer: 18

Step-by-step explanation:

User Antonio Moore
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The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on.
The general formula is that the nth shell can in principle hold up to 2(n2) electrons.

User Miserable Variable
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