Which of the following does not exist?

Important Questions on Classification of Elements and Periodicity in Properties

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Classification of Elements and Periodicity in Properties>AP EAPCET 2021 (19-Aug Forenoon)>Q 13

To which group of the periodic table does an element having electronic configuration $\left[\mathrm{Ar}\right]3d^{5}4{ \mathrm{s}}^2$ belong?

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Classification of Elements and Periodicity in Properties>AP EAPCET 2021 (19-Aug Afternoon)>Q 14

The electron configuration of $F{e}^{3+}$ is (atomic number of $Fe=26$)

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Classification of Elements and Periodicity in Properties>AP EAPCET 2021 (19-Aug Afternoon)>Q 15

The element with outer electronic configuration $(n-1)d^{2}n{s}^2$, where $n=4$, would belong to

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Classification of Elements and Periodicity in Properties>AP EAPCET 2021 (19-Aug Afternoon)>Q 16

Among the given configurations, identify the element which doesn't belong to the same family as the others?