The number of $f$ electrons in the ground state electronic configuration of $Np$ $(Z=93)$ is ....... .
- A$2$
- B$5$
- C$4$
- D$6$
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The point of dissimilarity between lanthanides and actinides is
Actinoid contraction is greater from element to element than lanthanoid contraction. Why?
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View SolutionAlthough $(+3)$ oxidation state is the characteristic oxidation state of lanthanoids,cerium shows $(+4)$ oxidation state also. Why?
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View SolutionAll those elements belong to $f-$block whose atomic numbers are
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View SolutionDetermine whether the following statements are True $(T)$ or False $(F)$:
$(a)$ Actinoid contraction increases from one element to the next.
$(b)$ Actinoid contraction decreases from one element to the next.
$(c)$ Lanthanoid contraction occurs,but actinoid contraction does not occur.
$(a)$ Actinoid contraction increases from one element to the next.
$(b)$ Actinoid contraction decreases from one element to the next.
$(c)$ Lanthanoid contraction occurs,but actinoid contraction does not occur.
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