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anonymous

  • one year ago

For an atom’s electrons, how many energy sublevels are present in the principal energy level n = 4? 4 9 10 16 32

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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  3. cuanchi
    • one year ago
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    Rules Governing the Allowed Combinations of Quantum Numbers The three quantum numbers (n, l, and m) that describe an orbital are integers: 0, 1, 2, 3, and so on. The principal quantum number (n) cannot be zero. The allowed values of n are therefore 1, 2, 3, 4, and so on. The angular quantum number (l) can be any integer between 0 and n - 1. If n = 3, for example, l can be either 0, 1, or 2. The magnetic quantum number (m) can be any integer between -l and +l. If l = 2, m can be either -2, -1, 0, +1, or +2.

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