Why do atoms combine? Why are only certain combinations possible? Why do molecules possess definite shapes? To answer such questions different theories and concepts have been put forward from time to time. In this fourth unit of class 11 chemistry, we can answer the above questions by learning Kössel-Lewis approach, Valence Shell Electron Pair Repulsion (VSEPR) Theory, Valence Bond (VB) Theory and Molecular Orbital (MO) Theory.
Curated by: Khan Academy India - English (42 videos)
Bond parameters are quantities or values that define a bond. As we revise the formation of a bond, we take a dive into the different parameters namely bond length, bond angle, bond order and bond enthalpy. We will discuss the different factors that influence these parameters and their inter-relation. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/class-11-chemistry-india/xfbb6cb8fc2bd00c8:in-in-chemical-bonding-and-molecular-structure?lang=en Timestamps: 0:28-What is a bond? 0:40-Atomic size 2:30-Bond length 4:43-Covalent radius 5:17-vander Waals radius 7:37-Metallic radius 9:04-Bond angle 10:40-Bond order 11:47-Bond enthalpy Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Dhanashri Pawar