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प्रश्न
What is actinoid contraction?
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उत्तर
The general trend in lanthanoids is observable in the actinoids as well. There is a gradual decrease in the size of atoms or M3+ ions across the series. This may be referred to as the actinoid contraction.
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संबंधित प्रश्न
Give a reason for the following:
Actinoids show irregularities in their electronic configurations.
Why do actinoids show a wide range of oxidation states?
With reference to structural variability and chemical reactivity, write the differences between lanthanoids and actinoids
Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.
Compare the chemistry of the actinoids with that of lanthanoids with reference to chemical reactivity.
Write four points of distinction between Lanthanoids and Actinoids.
How would you account the following :
Highest fluoride of Mn is MnF4 whereas the highest oxide is Mn2O7.
Which of the following actinoids shows +6 oxidation state?
The electronic configuration of Ux+ ion is [Rn]. What is the value of x?
[At. No. of U = 92]
Which among the following actinoids exhibits highest oxidation state +7?
