Periodic Table and Periodicity of Properties

Which of the following groups contain alkaline earth metals?

 
 
 
 

Which of the following elements has the greatest shielding effect?

 
 
 
 

All the elements of Group IIA are less reactive than alkali metals because they have:

 
 
 
 

As you move from right to left across a period, which of the following does not increase?

 
 
 
 

Number of periods in the periodic table are:

 
 
 
 

Period number of Al is:

 
 
 
 

Main group elements are arranged in

 
 
 
 

Which of the following elements belongs to VIIIA?

 
 
 
 

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

 
 
 
 

Question 1 of 9

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