Asked by adilkhan | 8th Jul, 2008, 01:41: PM
Covalent bond is the bond formed by sharing of electrons.
In electron dot structure of molecule of NH3, the N having 5 electrons in their valence shell and three hydrogen atom contain 1 electron each, to complete the octet N shares 3 electrons from three hydrogen atoms.and form three covalent bonds.it has low boiling point due to weak valence bond.
Answered by | 8th Jul, 2008, 02:44: PM
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