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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
Distinguish between lanthanoid and actinoids.
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?
The number of unpaired f-electrons in ytterbium (Z = 70) is ____________.
The electronic configuration of Ux+ ion is [Rn]. What is the value of x?
[At. No. of U = 92]
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
Why do actinoids show variable oxidation states?
What are actinoids? Give their general electronic configuration.
