The reason for the greater range of oxidation states in actinoids is attributed to:
- Aactinoid contraction
- B$5f$,$6d$ and $7s$ levels having comparable energies
- C$4f$ and $5d$ levels being close in energies
- Dthe radioactive nature of actinoids.
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Similar Questions
Consider the following two statements:
$Statement-I:$ Among $Mg, Al, Mg^{2+}, Al^{3+}$,the one having the smallest size is $Al^{3+}$.
$Statement-II:$ $Eu$ has an exceptionally high atomic radius among lanthanide elements.
The correct answer is:
$Statement-I:$ Among $Mg, Al, Mg^{2+}, Al^{3+}$,the one having the smallest size is $Al^{3+}$.
$Statement-II:$ $Eu$ has an exceptionally high atomic radius among lanthanide elements.
The correct answer is:
Which of the following elements can form compounds in $+3$ to $+7$ oxidation states?
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View SolutionThe atomic size decreases with an increase in atomic number for the elements of the ........
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View SolutionWhich general symbol is used to represent lanthanoids?
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View SolutionWhich among the following lanthanoids forms the most stable $+2$ oxidation state?
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