What is the valency of elements of group VII?
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 VII?
a) 1
b) 2
c) 3
d) 7
How many electron/s is/are gain/loss/share by the elements of group VII to make compounds?
a) gain 1 electron
b) lose 7 electrons
c) share 1 electron
d) both a and c
What is the valency of elements of group VIII or group 0?
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 VIII or group 0?
a) 0
b) 2
c) 8
d) 4
How many electron/s is/are gain/loss/share by the elements of group VIII or group 0 to make compounds?
a) gain 8 electrons
b) lose 8 electrons
c) share 8 electrons
d) they do not gain, lose or share electrons
