मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

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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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.

अति संक्षिप्त उत्तर
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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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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: The d-block and f-block Elements - Exercises [पृष्ठ ११६]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 4 The d-block and f-block Elements
Exercises | Q 4.30 | पृष्ठ ११६
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'NCERT TEXT-BOOK, Exercises | Q 8.30 | पृष्ठ ५०८

संबंधित प्रश्‍न

Give a reason for the following: 

Actinoids show irregularities in their electronic configurations.


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


Write four points of distinction between Lanthanoids and Actinoids.


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?


Identify the CORRECT statement.


Actinoid series begins at ____________ and ends at ____________.


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]


Which among the following actinoids exhibits highest oxidation state +7?


Which among the following elements is radioactive?


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.


What is actinoid contraction?


What are actinoids? Give their general electronic configuration.


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