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What are the characteristics of the transition elements and why are they called transition elements? Which of the d-block elements may not be regarded as the transition elements ? |
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Answer» Solution :Characteristics of the transition elements : The d-block elements are called transition elements because these elements REPRESENT change (or transition) in properties from the most positive electropositive s-block elements to the least electropositive p-block elements. The ELECTRONIC configuration of Zn, Cd and Hg are represented by the general formula `(n - 1)d^(10) ns^(2).` The orbitals in these elements are completely filled in the GROUND state as WELL as in their common oxidation sates. Therefore, they are not regarded as transition elements. |
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