Atomic Structure and Electron Configuration

AP Chemistry· difficulty 3/5

Which set of quantum numbers is impossible for an electron?

A
$n = 3, l = 0, m_l = 0, m_s = -½$
B
$n = 2, l = 1, m_l = 0, m_s = +½$
C
$n = 4, l = 3, m_l = -2, m_s = +½$
D
$n = 2, l = 2, m_l = 1, m_s = +½$
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Explanation

For n = 2, the maximum l is n - 1 = 1. l = 2 is not allowed when n = 2.

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