How many electron/s is/are present in Lithium atom?
a) 1
b) 2
c) 3
d) 4
How many neutron/s is/are present in Lithium atom?
a) 1
b) 2
c) 3
d) 4
How
many proton/s is/are present in Boron atom?
a) 5
b) 6
c) 7
d) 11
How many electron/s is/are present in Boron atom?
a) 6
b) 5
c) 0
d) 11
How many neutron/s is/are present in Boron atom?
a) 5
b) 6
c) 11
d) 7
How
many proton/s is/are present in Oxygen atom?
a) 7
b) 8
c) 9
d) 16
