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why palladium show 4d10 5s0

why palladium show 4d10 5s0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Grade:12th pass

1 Answers

Pankaj
askIITians Faculty 131 Points
8 years ago
Atomic Number pd is 46 so its expected electronic configuration is [Kr] 5s1 4d9.
But the actual electronic configuration of pd is [Kr] 5s04d10..
This is due to the fact that fully filled orbitals are more stable than partially filled orbitals i.e. 4d10..is more stable than 4d9.

Thanks & Regards
Pankaj Singh
askIITians Faculty

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