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Chemistry · Structure of atom
हिन्दीHow many electrons in an atom may have the quantum numbers \( n = 4, m_s = -1/2 \)?
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Correct answer · Option B
16
Explanation
Total electrons in shell \( n = 4 \) is \( 2n^2 = 32 \). Half of these will have \( m_s = -1/2 \), i.e., \( 32 / 2 = 16 \).
