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OSWAAL PUBLICATION-D - BLOCK ELEMENTS F - BLOCK ELEMENTS -TOPIC - 2 (F - BLOCK ELEMENT , LANTHANOIDS AND ACTINOIDS)(VERY SHORT ANSWER TYPES QUESTIONS)
- Why lanthanides are called f-block elements ?
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- What are f-block elements ?
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- Write the general electronic configuration of f-block elements.
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- How many series of 'f' block elements are known?
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- Why f-block elements are called inner transition elements ?
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- What are lanthanoids ? (Or rare earths)
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- Write the generalelectronic configuration of lanthanoids.
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- What is the common oxidation state shown by Lanthanoids? Mention any o...
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- Why Eu and Yb shows +2 oxidation state ?
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- Give reasons : Cerium (Ce) exhibits +4 oxidation state
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- What are actinoids?
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- Write the general electronic configuration of actinoids.
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- What is actinoid contraction? Why actinoid contraction is greater than...
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- (i) What is actinide contraction? (ii) Which is the common oxidation s...
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- The size of the trivalent cations in the lanthanoid series decrease st...
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- Give reasons: Zr and Hf have almost identical radii.
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- Explain why the members of the actinoid series exhibit a large number ...
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