Contents

What is the valency of elements of group III?
a) 1        

b) 2                        

c) 3        

d) 0

c

How many electron/s is/are present in the valence shell (last or outermost shell) of the elements present in group III?
a) 1        

b) 2                        

c) 3        

d) 4

c

How many electron/s is/are gain/loss/share by the elements of group III to make compounds?
a) gain 3 electrons                              

b) lose 3 electrons
c) share 3 electrons                             

d) none of these

b

What is the valency of elements of group IV?
a) 1        

b) 2                        

c) 3

d) 4

d

How many electron/s is/are present in the valence shell (last or outermost shell) of the elements present in group IV?
a) 1        

b) 2                        

c) 3        

d) 4

d

How many electron/s is/are gain/loss/share by the elements of group IV to make compounds?
a) gain 4 electrons                              

b) lose 4 electrons
c) share 4 electrons           

d) none of these

c