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"
Santa: Qutub Minar kahan hai? Pappu: Pata nahi. Santa: Kabhi ghar se nikla karo. Pappu: Ram Lal kaun hai? Santa: Pata nahi. Pappu: Kabhi Ghar me bhi raha karo.