PERIODIC TABLE AND PERIODICITY OF PROPERTIES

1. Which of the following groups contain alkaline earth metals?

 
 
 
 

2. As you move from right to left across a period, which of the following do not increase:

 
 
 
 

3. Valence shell electronic configuration of an element M (atomic no 14) is:

 
 
 
 

4. Which of the following elements belongs to VIIIA?

 
 
 
 

5. Period number of  27/23 Al is:

 
 
 
 

6. Which of the following elements you expect to have greater shielding effect?

 
 
 
 

7. Main group elements are arranged in groups.

 
 
 
 

8. Number of periods in the periodic table are:

 
 
 
 

9. All the elements of Group IIA are less reactive than alkali metals. This is because these elements have:

 
 
 
 

Question 1 of 9

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