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प्रश्न
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.
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उत्तर
The last element of the actinoid series is lawrencium (Lr), which has an atomic number of 103. Its electronic configuration is [Rn] 5f14 6d1 7s2, and its possible oxidation state is +3.
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संबंधित प्रश्न
Distinguish between lanthanoid and actinoids.
Give a reason for the following:
Actinoids show irregularities in their electronic configurations.
Why do actinoids show a wide range of oxidation states?
Write on similarity between the chemistry of lanthanoids and actinoids.
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 one similarity and one difference between the chemistry of lanthanoid and actinoid elements.
How would you account the following :
Highest fluoride of Mn is MnF4 whereas the highest oxide is Mn2O7.
How do you prepare:
Actinoid elements show wide range of oxidation states.
Give reasons for the following:
The chemistry of actinoids elements is not so smooth as that of the lanthanoids.
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 shows +6 oxidation state?
The actinoid contraction is attributed to the ____________.
The electronic configuration of Ux+ ion is [Rn]. What is the value of x?
[At. No. of U = 92]
Which of the following properties is NOT of actinoids?
Which of the following actinoids show oxidation states upto +7?
(i) Am
(ii) Pu
(iii) U
(iv) Np
What causes actinoid contraction?
What are actinoids? Give their general electronic configuration.
