A Ray M creator text xx Delhi S . Chand And Co 1982 9999 11th ed. monographic und ENG 21CM, 318P, VI MechanicsDynamics, Statics, Particle MechanicsATOMIC STRUCTURE, THE AUFHAU PRINCIPLE, THE SHAPE OF ORBITALS, THE NATURE OF THE CHEMICAL BOND, HETROPOLAR COVALENT BONDS, THE HYDROGEN MOLECULE, COVALENT BONDING, THE METHANE MOLECULE, MULTIPLE BONDS, INTERMETALLIC COMPOUNDS, CHEMICAL BONDING AND MECHANICAL STRENGTH 531.1 RAY-A 210323