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Question
What is actinoid contraction?
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Solution
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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RELATED QUESTIONS
How would you account for the following:
The chemistry of actinoids is more complicated as compared to lanthanoids.
How would you account for the following:
Actinoid contraction is greater than lanthanoid contraction.
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Compare the chemistry of the actinoids with that of lanthanoids with reference to oxidation states
Compare the chemistry of the actinoids with that of lanthanoids with reference to chemical reactivity.
Write four points of distinction between Lanthanoids and Actinoids.
Manganese in the +2 oxidation state is more stable than +3 oxidation state where as iron is stable at +3 oxidation state than +2 oxidation state. Explain why?
Identify the CORRECT statement.
Which among the following actinoids exhibits highest oxidation state +7?
There are 14 elements in actinoid series. Which of the following elements does not belong to this series?
