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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
How would you account for the following:
Actinoid contraction is greater than lanthanoid contraction.
Why do actinoids show a wide range of oxidation states?
Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.
Give reasons for the following:
The chemistry of actinoids elements is not so smooth as that of the lanthanoids.
Choose the most correct option.
In which of the following series all the elements are radioactive in nature?
Which among the following actinoids exhibits highest oxidation state +7?
The inner transition metals of 5f series are known as ____________.
Which of the following oxidation state is common for all lanthanoids?
Assertion: Actinoids form relatively less stable complexes as compared to lanthanoids.
Reason: Actinoids can utilise their 5f orbitals along with 6d orbitals in bonding but lanthanoids do not use their 4f orbital for bonding.
Why do actinoids show variable oxidation states?
