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प्रश्न
The elements in which electrons are progressively filled in 4f-orbital are called ______.
पर्याय
actinoids
transition elements
lanthanoids
halogens
उत्तर
The elements in which electrons are progressively filled in 4f-orbital are called lanthanoids.
Explanation:
The lanthanides which belong to the f-block elements are the elements where 4f-orbitals are filled progressively.
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संबंधित प्रश्न
Which of the following lanthanoid ions is diamagnetic?
Which of the following oxidation states is most common among the lanthanoids?
The most common oxidation state of actinoids is ____________.
The actinoid elements which show the highest oxidation state of +7 are ____________.
Justify the position of lanthanides and actinides in the periodic table.
What are actinoids? Give three examples.
What is lanthanoid contraction and what are the effects of lanthanoid contraction?
Out of Lu(OH)3 and La(OH)3 which is more basic and why?
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:
Illustrate by taking examples of transition elements and non-transition elements that oxidation states of elements are largely based on electronic configuration.
