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"
I''ve written a poem for you: Twinkle twinkle little star, you should know what you are, and once you know what you are, Mental hospital is not so far.
1 hai Billu 1 hai Gullu 1 hai Ullu Billu six class main parh raha hai, Gullu seven class main parh raha hai, ore ore Ullu sms parh raha hai hehehehe......
Engineer: a person who knows a great deal about very little and who goes along knowing more and more about less and less, until finally he knows practically everything about nothing.... ;->