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प्रश्न
What causes actinoid contraction?
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उत्तर
Actinoid contraction resulting from poor shielding by 5f electrons.
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संबंधित प्रश्न
Compare the chemistry of the actinoids with that of lanthanoids with reference to chemical reactivity.
How would you account the following :
Highest fluoride of Mn is MnF4 whereas the highest oxide is Mn2O7.
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?
Which of the following actinoids exhibits only + 3 oxidation state?
Actinoid series begins at ____________ and ends at ____________.
Which of the following properties is NOT of actinoids?
Which of the following oxidation state is common for all lanthanoids?
There are 14 elements in actinoid series. Which of the following elements does not belong to this series?
Which of the following actinoids show oxidation states upto +7?
(i) Am
(ii) Pu
(iii) U
(iv) Np
What are actinoids? Give their general electronic configuration.
