1.

Explain the half filled and full filled configuration of cu and cr and zn

Answer»

Cr has CONFIGURATION is 4s2 3d5 &Cu has configuration is 4s13d10Zn has configuration is 4s2 3d10 EXPLANATION:Cr is half filling due to d5 ENEGY difference is LESS 4s&3d orbital ,more stable Cu&Zn is COMPLETELY filled due to 3d10 ,extra stability. less energy difference



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