Which of the following electronic configurations is associated with the biggest jump between the second and third ionization energies?

  • A
    $1s^2 \, 2s^2 \, 2p^2$
  • B
    $1s^2 \, 2s^2 \, 2p^6 \, 3s^1$
  • C
    $1s^2 \, 2s^2 \, 2p^6 \, 3s^2$
  • D
    $1s^2 \, 2s^2 \, 2p^1$

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