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30 May, 16:24

How many electrons in a silicon atom have n = 3 as one of their quantum numbers? How many electrons in a potassium atom have l = 0 as one of their

quantum numbers?

How many electrons in a mercury atom have n = 4 as one of their

quantum numbers?

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Answers (1)
  1. 30 May, 20:19
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    1) ₁₄Si 1s²2s²2p⁶3s²3p².

    Principal quantum number (n=3) have four electrons (3s²3p²).

    2) ₁₉K 1s²2s²2p⁶3s²3p⁶4s¹.

    Azimuthal quantum number (l=o) have seven electrons (1s²2s²3s²4s¹).

    3) ₈₀Hg [Xe] 4f¹⁴5d¹⁰6s².

    Principal quantum number (n=4) have thirty-two electrons (4s²4p⁶4d¹⁰4f¹⁴).

    The principal quantum number is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state.

    The azimuthal quantum number is a quantum number for an atomic orbital that determines its orbital angular momentum and describes the shape of the orbital.
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