Contents

What is the atomic no. of Potassium and how many electrons does it have?
a) 3        

b) 11                      

c) 19

d) 4

c

What is the symbol of Lithium?
a) Li      

b) So                      

c) Na     

d) K

a

What is the symbol of Sodium?
a) Li       

b) So                      

c) Na     

d) K

c

What is the symbol of Potassium?
a) Li       

b) Po                      

c) Na     

d) K

d

How many electron/s is/are present in the valence shell of Lithium? Its atomic No. is 3.
a) 1        

b) 2                        

c) 3        

d) 11

a

How many electron/s is/are present in the valence shell of Sodium? Its atomic No. is 11.
a) 1        

b) 2                        

c) 3        

d) 11

a