How many electrons may be accommodated in the first three energy levels?

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How many electrons may be accommodated in the first three energy levels?

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Hồng Cúc 9 hours 2021-07-22T04:26:33+00:00 2 Answers 0 views 0

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    0
    2021-07-22T04:28:21+00:00

    The first energy level can hold 2 electrons after that all other energy levels hold 8 electrons which means 3 energy levels can hold 18 electrons 2+8+8=18

    0
    2021-07-22T04:28:21+00:00

    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. Some points will be nice

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