All da elecTrons were having parTY suddenly proTons aTTacked ThemA herO came & saved da eLecTrons.TheY asKed hero "who r u?"he said "Bond .....Covalent bond"
SaRdar ji went to meet this Chinese fren who is dieing in Hospital!
Man says: CHIN YU YAN and dies.
Sardar jee goes 2 china 2 find meaning of fren last words
The meaning is -> YOU ARE STANDING ON THE OXYGEN TUBE!