![]() The concept of bond order, bond length, and bond energy'įundamentals of thermodynamics: system and surroundings,Įxtensive and intensive properties state functions, Molecular orbital electronic configuration of homonuclear diatomic molecules, LCAOs, 'types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, Resonance' Molecular orbital Theory - Its important features. The concept of hybridization involving s, p, and d orbitals ![]() ![]() Valence bond theory - its important features. Quantum mechanical approach to covalent bonding: Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules. The concept of ionic and covalent bonds' Ionic Bonding:įormation of ionic bonds, factors affecting the formation of ionic bonds Ĭovalent Bonding: Concept of electronegativity. Kossel - Lewis approach to chemical bond formation, Pauli's exclusion principle and Hund's rule,Įlectronic configuration of elements, extra stability of half-filled and completely filled orbitals' Rules for filling electrons in orbitals - Aufbau principle. Various quantum numbers (principal, angular momentum, and magnetic quantum numbers) and their significance Shapes of s, p, and d - orbitals, electron spin and spin quantum number: Variation of Y and Y2 with r for ls and 2s orbitals: Limitations of Bohr's model Dual nature of matter, de Broglie's relationship.Įlementary ideas of quantum mechanics (quantum mechanics, the quantum mechanical model of the atom) its important features.Ĭoncept of atomic orbitals as one-electron wave functions: Photoelectric effect Spectrum of the hydrogen atom,īohr model of a hydrogen atom, it’s postulates,ĭerivation of the relations for the energy of the electron and Radii of the different orbits, More modern atomic theories have made some modifications, for example to include the existence of atomic isotopes, that is, atoms with different numbers of neutrons, but the same number of protons and electrons, and the conversion of energy into matter and vice versa, but Dalton’s core ideas remain valid.Matter and its nature, Dalton’s atomic theory: Concept of Atom,
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