Question
In which all have d10 configuration in their ground state?
Options :
Cu, Zn, Cd, Ag
Cd, Au, Hg, Ni
Sc, Ti, Fe, Zn
Fe, Cr, Co, Ni
Answer :
Cu, Zn, Cd, Ag
Solution :
Cu : 3d104s1
Zn : 3d104s2
Cd : 4d105s2
Ag : 4d105s1
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