Molecular Orbital Theory (MOB)/unit-4
Molecular Orbital Theory (MOB): Molecular orbital theory is modern and more rational. This theory assumes that in molecules, atomic orbitals … Read more
Class 11
Hybridisation/unit-4
Hybridisation: To explain the shapes of polyatomic molecules, the atomic orbitals combine to form new set of equivalent orbitals known … Read more
Valence Bond Theory/unit-4
Valence Bond Theory: The valence bond theory is based on the knowledge of atomic orbitals and electronic configurations of elements … Read more
Geometry of molecules/VSEPR-theory/unit-4
Geometry or Shape of Molecules: The forces which is holding different atoms together in molecules is called bond. The different … Read more
Chemical Bonding/unit-4
Chemical Bond:- “The attractive force which holds together the constituents particles (atoms, ions, or molecules) in a chemical species is … Read more
Classification of Elements and Periodicity in Properties
Introduction: Upto the end of seventeenth century, only 31 elements were known. Therefore, it was very easy to study and … Read more
Discovery of Electron
Discovery of Electron: The first of the subatomic particles to be discovered was the Electron (e). The knowledge about the … Read more
Basic concept of chemistry/unit-1
Basic Concept of Chemistry: Matter: – Matter is anything that occupies some space, posses mass, and offer resistance to any … Read more