Lecture
This lecture covers the interaction between atoms, focusing on the concept of atomic radius, covalent radius, and the Lennard Jones potential. It explains how the atomic radius changes across periods and groups, the definitions of covalent and atomic radius, and the factors affecting the atomic size. The lecture also discusses electron affinity, ionization energy, and the formation of molecules through chemical reactions. It delves into the principles of conservation of mass, stoichiometry, and the concept of limiting reactants. Additionally, it explores the energy involved in chemical reactions, the formation of compounds, and the classification of reactions based on equilibrium and completeness.