1.

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

Answer»

`1s^(2)2S^(2)2p^(2)`
`1s^(2)2s^(2)2p^(6)3S^(1)`
`1s^(2)2s^(2)2p^(6)3s^(2)`
`1s^(2)2s^(2)2p^(1)`

Answer :C


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