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How many electrons does the 2nd main energy level hold when it is full?
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How many electrons does the 2nd main energy level hold when it is full?

User Lsaudon
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4 votes

Answer:8

Step-by-step explanation:

User Gokhan Caglar
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Answer:

8 electrons

Each principal energy level can contain up to 2n2 electrons, where n is the number of the level. Thus, the first level can contain up to 2 electrons, 2(12) = 2; the second up to 8 electrons, 2(22) = 8; the third up to 18, 2(32) = 18; and so on.

Step-by-step explanation:

User Imre L
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