Which of the following statements is incorrec | vedclass

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(D) Option $A$ is correct as $Li$ and $Mg$ show a diagonal relationship due to similar ionic potential.Option $B$ is correct as $s$-block and $p$-bloc

Vedclass · Accepted Answer

The general configuration of $f$-block elements is $(n - 2)f^{1-14} (n - 1)d^{0-1} ns^2$.

Vedclass · Answer

(D) Option $A$ is correct as $Li$ and $Mg$ show a diagonal relationship due to similar ionic potential.Option $B$ is correct as $s$-block and $p$-block elements (excluding noble gases) are called representative elements.Option $C$ is correct as the $5^{th}$ period involves filling of $5s, 4d,$ and $5p$ orbitals.Option $D$ is incorrect because the general configuration for $f$-block elements is $(n-2)f^{1-14} (n-1)d^{0-1} ns^2$ where $n=6$ for lanthanoids $(4f)$ and $n=7$ for actinoids $(5f)$. The statement as written is technically correct in its general form,but often students confuse the $n$ value. However,looking at the options,all statements are factually correct. Re-evaluating: The question asks for the incorrect statement. Upon review,all provided statements are scientifically accurate. If forced to choose,there is no incorrect statement among the options provided.

Which of the following statements is incorrect?

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