How many electrons can fit in the first energy level of 1 proton 0 neutron 1 electron

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How many electrons can fit in the first energy level of 1 proton 0 neutron 1 electron

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Thạch Thảo 6 months 2021-07-19T08:35:34+00:00 1 Answers 1 views 0

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    2021-07-19T08:36:34+00:00

    Answer:

    4

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )