Which of the following is not a representativ | vedclass

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(B) Representative elements are those belonging to $s$-block and $p$-block (excluding noble gases in some contexts, but generally groups $1, 2$ and $1

Vedclass · Accepted Answer

Tantalum

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(B) Representative elements are those belonging to $s$-block and $p$-block (excluding noble gases in some contexts, but generally groups $1, 2$ and $13-17$).$(A)$ Tellurium $(Te)$ is in group $16$ ($p$-block).$(B)$ Tantalum $(Ta, Z = 73)$ is a $d$-block element, specifically a transition element.$(C)$ Thallium $(Tl)$ is in group $13$ ($p$-block).$(D)$ Astatine $(At)$ is in group $17$ ($p$-block).Therefore, Tantalum is not a representative element.

Which of the following is not a representative element?

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