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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 ?00:44 | Playing Now
- What are f-block elements ?01:21 | Play
- Write the general electronic configuration of f-block elements.02:59 | Play
- How many series of 'f' block elements are known?01:49 | Play
- Why f-block elements are called inner transition elements ?02:19 | Play
- What are lanthanoids ? (Or rare earths)02:10 | Play
- Write the generalelectronic configuration of lanthanoids.02:03 | Play
- What is the common oxidation state shown by Lanthanoids? Mention any o...02:00 | Play
- Why Eu and Yb shows +2 oxidation state ?02:14 | Play
- Give reasons : Cerium (Ce) exhibits +4 oxidation state01:37 | Play
- What are actinoids?01:36 | Play
- Write the general electronic configuration of actinoids.01:59 | Play
- What is actinoid contraction? Why actinoid contraction is greater than...02:09 | Play
- (i) What is actinide contraction? (ii) Which is the common oxidation s...01:37 | Play
- The size of the trivalent cations in the lanthanoid series decrease st...01:19 | Play
- Give reasons: Zr and Hf have almost identical radii.02:35 | Play
- Explain why the members of the actinoid series exhibit a large number ...04:04 | Play