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All transition elements are d-block elements, but all d-block elements are not transition elements. Explain.

Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/elements-969381" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENTS">ELEMENTS</a> in which the last electron enters in the d-orbitals are called d-block elements or transition elements. <br/>General outer <a href="https://interviewquestions.tuteehub.com/tag/electronic-968847" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONIC">ELECTRONIC</a> configuration is `(n-1) d^(1-10) - ns^(2)`. <br/> Electron configuration of Zn, Cd and Hg is `(n-1)d^(10)ns^(2)` dlons, which do not shows the most of the properties of the d-block elements. <br/> The d-orbitals in these elements are completely <a href="https://interviewquestions.tuteehub.com/tag/filled-2641169" style="font-weight:bold;" target="_blank" title="Click to know more about FILLED">FILLED</a> in the <a href="https://interviewquestions.tuteehub.com/tag/ground-1013213" style="font-weight:bold;" target="_blank" title="Click to know more about GROUND">GROUND</a> state as <a href="https://interviewquestions.tuteehub.com/tag/well-734398" style="font-weight:bold;" target="_blank" title="Click to know more about WELL">WELL</a> as in their common oxidation states. Therefore, they are not regarded as transition elements. Thus, on the basis of properties, all transition elements are d-block elements but on the basis of electronic configuration, all d-block elements are not transition elements.</body></html>


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