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The d-And-f-Block Elements
Why do Zr and Hf exhibit similar properties?
Zr and Hf exhibit similar properties due to lanthanoid contraction. Electrons present in f subshell didn't do good shielding due to which with the increasing atomic number or increasing effective nuclear charge size gets constricted and size of Halfenium and Zirconium becomes almost equal.
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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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