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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.
How would you account for the following:
The chemistry of actinoids is more complicated as compared to lanthanoids.
Give a reason for the following:
Actinoids show irregularities in their electronic configurations.
Why do actinoids show a wide range of oxidation states?
Compare the chemistry of the actinoids with that of lanthanoids with reference to electronic configuration
Write four points of distinction between Lanthanoids and Actinoids.
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?
Actinoid series begins at ____________ and ends at ____________.
The number of unpaired f-electrons in ytterbium (Z = 70) is ____________.
Which among the following elements is radioactive?
There are 14 elements in actinoid series. Which of the following elements does not belong to this series?
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.
The incorrect statement among the following is:
What is actinoid contraction?
What causes actinoid contraction?
Why do actinoids show variable oxidation states?
What are actinoids? Give their general electronic configuration.
