Periodic Table and Periodicity of Properties

Which of the following elements belongs to VIIIA?

 
 
 
 

Period number of Al is:

 
 
 
 

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

 
 
 
 

Which of the following groups contain alkaline earth metals?

 
 
 
 

Which of the following elements has the greatest shielding effect?

 
 
 
 

Main group elements are arranged in

 
 
 
 

Number of periods in the periodic table are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

Question 1 of 9

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