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Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?
 

Option: 1

\mathrm{Ne}\left[3 s^{2} 3 p^{2}\right]


Option: 2

\operatorname{Ar}\left[3 d^{10} 4 s^{2} 4 p^{3}\right]


Option: 3

\mathrm{Ne}\left[3 s^{2} 3 p^{1}\right]

 


Option: 4

\mathrm{Ne}\left[3 s^{2} 3 p^{3}\right]


Answers (1)

As we have learnt, 

Ionisation energy decreases down the group and increases along a period.

Also, half filled and fully filled orbital configurations have additional stability due to which the configuration of [Ne]3s^23p^3 has the greatest value of Ionisation energy

Posted by

Kshitij

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