Which element from the following is the last | vedclass

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Question

(A) The $5d$ transition series consists of elements from Lanthanum ($La$,atomic number $57$) to Mercury ($Hg$,atomic number $80$).This series comprise

Vedclass · Accepted Answer

$Hg$

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(A) The $5d$ transition series consists of elements from Lanthanum ($La$,atomic number $57$) to Mercury ($Hg$,atomic number $80$).This series comprises a portion of the $d$-block elements,specifically those where the $5d$ electron shell is being filled progressively.$Hg$ (Mercury) is the last element of this series,with an atomic number of $80$.Its electron configuration is $[Xe] 4f^{14} 5d^{10} 6s^2$.Mercury is well-known for being the only metal that is liquid at room temperature.

Which element from the following is the last element of the $5d$-transition series?

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