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Silver atom has completely filled d orbi...

Silver atom has completely filled `d` orbitals `(4d^(10))` in its ground state. How can you say it is a transition element?

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Silver `(Z=47)` belong to group 11 of `d-`block `( Cu, Ag, Au)` and its outer electronic configuration is `4d^(10)5s^(1)`. It shows `+1` oxidation state ( `4d^(10)` configuration) in silver halides ( e.g. `AgCl`). However, it can also exhibit `+2` oxidation state ( `4d^(9)` configuration) in compound like `AgF_(2)` and `AgO`. Due to the presence of partially filled d-orbital, silver is a transition metal.
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