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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.
Compare the chemistry of the actinoids with that of lanthanoids with reference to chemical reactivity.
Write four points of distinction between Lanthanoids and Actinoids.
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.
Identify the CORRECT statement.
Which of the following properties is NOT of actinoids?
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
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.
