Which of the following electronic configuration is associated with the biggest jump between the second and third ionization energies?
- A1s² 2s² 2p²
- B1s² 2s² 2p⁶ 3s¹
- C1s² 2s² 2p⁶ 3s²
- D1s² 2s² 2p¹
✓ Correct answer: C
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