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The d & f Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
Question
Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element?
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Answer

The outer electronic configuration of Ag (Z = 47) is 4d105s1. It shows +1 and +2O.S. (in AgO and AgF2). And in +2O.S. , the electronic configuration is d9 i.e., d - subshell is incompletely filled. Hence, it is a transition element.

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