The electronic configuration having maximum difference in first and second ionization energies is
- A1s² 2s² 2p⁶ 3s²
- B1s² 2s² 2p⁶ 3s² 3p¹
- C1s² 2s² 2p⁶ 3s² 3p²
- D1s² 2s² 2p⁶ 3s¹
✓ Correct answer: D
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Question ID #431867 · NewNcert