The general valence shell electronic con...

The general valence shell electronic configuration of actinoids is represented by

`(n-2)f^(1-14)(n-1)d^(0-1)ns^(2)`

`(n-2)f^(1-14)(n-1)d^(1-10)ns^(2)`

`(n-2)f^(0-14)(n-1)d^(0-10)ns^(2)`

`(n-2)f^(0-14)(n-1)d^(0-2)ns^(2)`

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The correct Answer is:

Th is `[Rn]6d^(2) 7s^(2)` . Pa, U, Np, Cm and Lr all have `6d^(1)` electron.

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The general valence shell electronic configuration of lanthanoides is represented by

`(n-2)f^(1-14)(n-1)d^(0-1)ns^(2)`

`(n-2)f^(1-14)(n-1)d^(10)ns^(2)`

`(n-2)f^(0-14)(n-1)d^(0-2)ns^(2)`

`(n-2)f^(1-14)(n-2)d^(0-5)ns^(2)`

`(n - 1) d^(1-10) ns^(1-2)`

`(n - 1) d^(0-10) ns^(1-2)`

`(n - 1) d^(1-10) ns^(0-2)`

`(n - 1) d^(1-10) ns^(2)`

`np^(1 - 6)`

`ns^(2)np^(1 - 6)`

`ns^(2)np^(6)`

`ns^(2)np^(2)`