This video lecture from Chemical Bonding (F.Sc. First Year Chemistry) covers the concept of bond length and how we can find out the bond length of heteroatomic molecule by adding up their covalent radii, the effect of hybridization on the bond length and their trend in the periodic table. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab