What is the valency of elements of group III?
a) 1
b) 2
c) 3
d) 0
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
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
What is the valency of elements of group IV?
a) 1
b) 2
c) 3
d) 4
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
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