Unit-2 : Structure of Atom
	Electromagnetic Radiation
	Atomic Theory of Matter
	Atomic Number, Mass Number, Isobars and Isotopes
	Dual Nature of Matter
	Dual Nature of Light
	Concept of Shells, Subshells, Orbitals and Quantum Numbers
	Rules for Filling Electrons in Orbitals
	Electronic Configuration of Atoms
	Stability of Half-filled and Completely Filled Orbitals