The period number of the inert gas atom in which the total number of p electrons is equal to the sum of total s and d electrons is ____
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He, Ne and Ar do not have any d electrons, while the difference of their s and p electrons is not zero. The electronic configuration of krypton (atomic ...
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4th period
Explanation:
He,Ne and Ar do not have any d electrons, while the difference of their s and p electrons is not zero.
The electronic configuration of krypton (atomic number is 36) is: 1s2 ,2s2 , 2p 6 ,3s 2 ,3p 6 ,3d 10 ,4s 2, 4p 6
Total s−electrons are 8 and total p−electrons are 18.
Thus, the difference is 10 and total d-electrons are 10 which are equal.
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