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प्रश्न
Which of the following oxidation states is most common among the lanthanoids?
पर्याय
4
2
5
3
उत्तर
3
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संबंधित प्रश्न
The most common oxidation state of actinoids is ____________.
Which one of the following is not correct?
What are inner transition elements?
Justify the position of lanthanides and actinides in the periodic table.
Actinoid contraction is greater from element to element than the lanthanoid contraction, why?
Why do zirconium and Hafnium exhibit similar properties?
Which of the following is not an actinoid?
The electronic configuration of gadolinium (Atomic number 64) is ______.
Electronic configurations of four elements A, B, C and D are given below:
(A) 1s22s22p6
(B) 1s22s22p4
(C) 1s22s22p63s1
(D) 1s22s22p5
Which of the following is the correct order of increasing tendency to gain electron:
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Size of Bk3+ ion is less than Np3+ ion.
Reason R: The above is a consequence of the lanthanoid contraction.
In the light of the above statements, choose the correct answer from the options given below:
