The electronic configuration of $Yb^{2+}$ is:
- A$[Xe] \, 4f^{14} \, 5d^1$
- B$[Xe] \, 4f^{14}$
- C$[Xe] \, 4f^{14} \, 6s^2$
- D$[Xe] \, 4f^{14} \, 5d^1 \, 6s^2$
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Arrange the ions $Ce^{3+}$,$La^{3+}$,$Pm^{3+}$,and $Yb^{3+}$ in the increasing order of their ionic radii.
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View SolutionWhich of the following lanthanoids shows $+4$ oxidation state to acquire noble gas configuration?
(At nos. : $La=57, Ce=58, Eu=63$ and $Yb=70$ )
(At nos. : $La=57, Ce=58, Eu=63$ and $Yb=70$ )
The ion with $4f^7$ configuration is
Which of the following is $NOT$ a lanthanoid element?
Identify the lanthanoid element from the following.
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