The quantum numbers, n = 4, l = 3, m_l = 2, m_s = +1/2, represent an electron in a ___ subshell A) 4f B) 4d C) 4p D) 4s E) None of the above

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The quantum numbers given are n = 4, l = 3, which correspond to the 4f subshell. The principal quantum number n indicates the energy level (4th energy level), and the azimuthal quantum number l = 3 corresponds to the f subshell.

The Quantum Numbers, N = 4, L = 3, Ml

The Quantum Numbers, N = 4, L = 3, M_l