This video lecture from Group IIIA and Group IVA Elements (F.Sc. second year Chemistry) covers an introduction to group IIIA elements. The change in various physical properties and their trends are discussed particularly the metallic character. The occurrence of boron, aluminum and other rare metals is also covered. 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.