F-Block Elements – Online Test

1. Which of the following is the incorrect statement –

 
 
 
 

2. Which of the following elements shows the maximum number of oxidation state in its compounds –

 
 
 
 

3. General electronic configuration of the lanthanides is –

 
 
 
 

4. Among the lanthanides, the one which is obtained by synthetic method-

 
 
 
 

5. Which of the following actinides show oxidation state upto +7?

 
 
 
 

6. Actinides –

 
 
 
 

7. There are 14 elements in the actinide series. Which of the following elements does not belong to this series –

 
 
 
 

8. Identify the incorrect statements –

 
 
 
 

9. The correct order of the ionic radii of Y+3, La+3, Eu+3, Lu+3 is –
(Atomic number – Y= 39, La = 57, Eu = 63, Lu = 71)

 
 
 
 

10. Arrange them in the increasing order of ionic radii – Ce +3, La+3, Pm+3, Yb+3 –

 
 
 
 

Question 1 of 10

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