INDEX
Reading edition
A α-rays, 65 Aluminium, 154 Anti-cathode, 73 Argon, 141 Atom, 33 Atomic numbers, 82 Avogadro, 34 B ß-rays, 65 Balmer, 127 Barkla, 168 Black body, 114 Bohr, 123 Bragg, 118 Brownian movement, 45 C Cathode rays, 55 Compounds, formation of, 29 Crystal analysis, 166 D Dalton, 23 Debye, 122 Diffusion, 40 E Einstein, 46, 105, 120 Electron, mass of, 60 —— radius of, 62 Element, 28 F Fraunhofer, 123 G γ-rays, 65, 74 Gases, Kinetic Theory of, 42 Geological strata, age of, 70 Gold atom, 88 Gramme-atom, 37 H Helium atom, 86, 147 —— nucleus, 87, 108 Hertz, 54 Hydrogen atom, 85 I Inert gases, 142 Ions, 56 —— charge on, 58 Isotopes, 102 K Kirchhoff, 114, 123 L Laue, 166 Light, velocity of, 54 Lithium atom, 90, 149 M Magnetic properties of the elements, 157 Maxwell, 42, 53 Mendeléev, 77 Molecule, 33 Monochromatic light, 125 Moseley, 170 N Neon, 144 Newlands, 77 Nitrogen, 152 P Periodic system, 77 Perrin, 46 Planck, 119, 127 Prout, 25 R Radium, 63 —— disintegration of, 95 Relativity and the atom, 104, 133 Rutherford, 93 S Sommerfeld, 122, 134 Stokes, 57 T Temperature, absolute zero of, 42 U Uranium, 79 W Waves, longitudinal and transverse, 124, 165 X X-rays, 70, 167, 168