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03-02-2021
Chemistry

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how many electrons can occupy an atom's 2nd energy level (shell)?

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03-02-2021

Answer:

eight

Explanation:

Each shell can contain only a fixed number of electrons: 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.

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