Which of the following elements is not consid | vedclass

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(A) transition element is defined as an element which has an incompletely filled $d$-orbital in its ground state or in any one of its oxidation states

Vedclass · Accepted Answer

$Cd$

Vedclass · Answer

(A) transition element is defined as an element which has an incompletely filled $d$-orbital in its ground state or in any one of its oxidation states.$Cd$ $(Z = 48)$ has the electronic configuration $[Kr] 4d^{10} 5s^2$.In its common oxidation state of $+2$,the configuration is $[Kr] 4d^{10}$.Since the $d$-orbital is completely filled in both the ground state and the $+2$ oxidation state,$Cd$ is not considered a transition element.

Which of the following elements is not considered a transition element?

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