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The d-And-f-Block Elements
Why does a transition series contain only ten elements?
The transition elements are also known as the d-block elements, because while the outermost level contains at most two electrons, their next to outermost main levels have incompletely filled d sub-orbitals, which are filled-up progressively on going across the periodic table from 8to 18 electrons.
General electronic configuration of d - block element is (n – 1) d1–10 ns1-2.
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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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