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प्रश्न
The elements in which electrons are progressively filled in 4f-orbital are called ______.
विकल्प
actinoids
transition elements
lanthanoids
halogens
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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
Write the general outer electronic configuration of f- block elements.
Which one of the following statements related to lanthanons is incorrect?
Which of the following oxidation states is most common among the lanthanoids?
Assertion: Ce4+ is used as an oxidizing agent in volumetric analysis.
Reason: Ce4+ has the tendency of attaining +3 oxidation state.
Which one of the following is not correct?
What are inner transition elements?
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?
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 ______.
Illustrate by taking examples of transition elements and non-transition elements that oxidation states of elements are largely based on electronic configuration.
