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The d-And-f-Block Elements
Which metal in the first series of transition metals exhibits +1 oxidation state most frequently and why?
Copper metal (Cu, at. no. 29) shows +1 oxidation state i.e., it exists as Cu+ in large number of copper compounds e.g., cuprous oxide (Cu2O), cuprous sulphide (Cu2S); cuprous chloride (Cu2Cl2) etc. The electronic configuration of Cu+ is [Ar] 3d10 4s0.
This configuration is very stable as all five 3d orbitals are fully filled.
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The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?
Name the first element of 3rd transition series.
Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?
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