SUBJECT INDEX 
Magneto-chemistry, 102 
Magneton, 13, 35, 96, 147, 148, 166, 
168, 183, 2x6 
Mass of electron, 257 
H atom, 257 
Matrix, 227 
Mechanics, classical, 19, 233 
matrix, 227-31, 238, 252 
quantum, 224-42, 250 
wave, 233-9, 250 
Mechanism, quantum, 109,170,182, 
188, 248 
Model of atom, 14, 39, 53, 65, 73-8, 
121-33, 221, 249 
electron, 165-70 
Ewing, 33, 34, 118, 119 
Maxwell, 114, 144 
Newgass, 181 
Ritz, 52 
Weber, 33 
Molecule, 102-5, 122-5, 128-33 
rotation of, 10, 11, 237 
Multiplicity, 62-5, 80, 212, 219 
Neon, 74, 75, 78, 123 
Non-polar compounds, 123 
Nuclear atom, 30, 74, 249 
Nucleus of atom, 30, 74, 169 
Number, atomic, 69-73 
molecular, 70 
quantum, 53-57, 60-66, 75-78, 
79-82, 84, 213, 262, 263-5 
Octet, 122, 123 
Oscillator, 16, 23,113,118, 229, 237 
Operator calculus, 238 
Optical activity, 124, 125 
Organic theory of nature, 252 
Paramagnetism, 93, 95 
Parson magneton, 39, 102, 117, 122, 
216, 222 
Paschen-Back effect, 211, 221 
Pauli’s principle, 80, 242 
Periodic system, 71, 76, 102 
Permanency of multiplicities, 212 
Phase-plane, 17, 18 
Phase-wave, 202, 233 
Photo-chemistry, 7 
Photo-electricity, 4, 197, 201, 241 
Photon, 186 
Planck’s constant, 4, 171-83, 257 
Planck’s radiation formula, 3, 223, 
240, 241, 258 
Poisson bracket, 232 
Polar compounds, 121, 123 
Polarization of light, 199, 200, 204, 
205, 208 
Positional co-ordinate, 16 
Preston’s rule, 211 
Principal quantum number, 60, 80 
Principal series, 51 
Primate, 252 
Probability, 21, 240, 241, 242 
Proton, 30, 167, 252 
^-numbers, 232 
Quantization in space, 83 
Quantum (see Light quantum) 
constants, 174-8, 257 
force, 126, 127, 189 
magnetic tubes, 40, 116, 134-49, 
160-70, 239, 248 
mechanics, 224-42, 250 
mechanism, 109,170,182,188, 248 
nature of, 246-9 
theory, generalized, 9, 21 
tubes and spectral series, 147 
Radial quantum number, 262 
Radiation, 1-4 
law of Planck, 3, 258 
of Rayleigh, 258 
of Stefan, 174 
resonance, 200 
structure of, 184-203 
Radioactivity, 222 
Raies ultimes, 81 
Rare earths, 70 
Recoil electrons, 198 
Relativity, 150, 153, 179 
Relativity doublets, 215 
Resonance lines, 81 
Resonator (see Oscillator) 
Ring electron, 39, 216, 217 
quantum, 190 
Rotation, molecular, 10, 237 
of magnetic tube, 160-70 
Rotator, 23, 226 
Runge’s rule, 211 
Rydberg constant, 8, 9, 49, 58, 59, 
127, 177, 179, 223» 2 57 
Scattering of X-rays, 182, 197, 231 
Schrödinger, theory of, 233, 251