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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
How would you account for the following:
Actinoid contraction is greater than lanthanoid contraction.
Compare the chemistry of the actinoids with that of lanthanoids with reference to oxidation states
Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.
Choose the most correct option.
In which of the following series all the elements are radioactive in nature?
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?
The number of unpaired f-electrons in ytterbium (Z = 70) is ____________.
Which among the following elements is radioactive?
The inner transition metals of 5f series are known as ____________.
Maximum oxidation state exhibited by Chlorine is ______.
Which of the following actinoids show oxidation states upto +7?
(i) Am
(ii) Pu
(iii) U
(iv) Np
