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"
Apun tera dost,
Dost bole to bhai,
Bhai bole to Munna Bhai
Munna Bhai bole to MBBS
MBBS bole to Dr
Dr bole to kya?
Bole to chal chadi utar INJECTION lgane ka :p