News

Get detailed and accurate NCERT Solutions for CBSE Class 11 Chemistry Chapter- Classification of Elements and Periodicity in Properties.
After an introduction to the basic phenomenology, the talk highlights the role of symmetries for universality, in particular the correspondence between symmetry classes and symmetric spaces that led ...
General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular masses, ...