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