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In the f-block elements the last or diff...

In the f-block elements the last or differentiating electron enters the f-subshell of the

A

third last shell

B

second last shell

C

fourth last shell

D

outermost shell

Text Solution

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The correct Answer is:
A
In the f-block elements, electrons are added to the f-subshell of the antepenultimate shell, increasimng the number form 18 to 32.
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R SHARMA-THE D AND F BLOCK ELEMENTS-Archives
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  2. Which one of the following statements related to lanthanons is incorre...

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  3. Which one of the following statement is correct when SO(2) is passed ...

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  4. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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  5. Gadolinium belongsd to 4f series. It's atomic number is 64. which of t...

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  6. Assuming complete ionization, same moles of which of the following com...

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  7. Which is the correct order of increasing energy of the listed orbitals...

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  8. Magnetic moments 2.84 B.M is given by : (At. nos. ni = 28, Ti = 22, ...

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  9. Which of the following processes does not involve oxidation of iron ?

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  10. Because of lanthnoid contractoin, which of the following pairs of elem...

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  11. The number of d electrons in Fe^(2+) (atomic number of Fe = 26) is not...

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  12. The pair of compounds that can exist together is:

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  13. In acidec medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

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  14. The reaction of aqueus KMnO(4) with H(2)O(2) in acidic conditions give...

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  15. Lanthanoid contraction is caused due to:

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  16. Which of the following lanthanoid ions is diamagnetic? (Atomic number ...

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  17. KMnO4 can be prepared fromK2MnO4 as per the reaction: The reaction ...

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  18. Which of the following statements about the interstitial compounds is ...

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  19. Which of the following does not give oxygen on heating ?

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  20. Identify the alloy containing a non metal as a constitunt in it

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  21. Which of the following statements is not true ?

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