Height of preence of mind...
Once a teacher asked student "Tell the bird''s name by seeing its legs".
Student replied ," I cannot tell".
Teacher said "You are fail,What''s your name?".
Student replied ...... "See my legs and tell my name"
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"