PERIODIC TABLE AND PERIODICITY OF PROPERTIES

1. Main group elements are arranged in groups.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Period number of  27/23 Al is:

 
 
 
 

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

 
 
 
 

6. Which of the following elements belongs to VIIIA?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Number of periods in the periodic table are:

 
 
 
 

Question 1 of 9

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