The World of the Atom, Volume 1

according acid activity ammonia angle apparatus appears atomic theory atomic weight bodies Bohr carbon cathode rays charge chemical chemistry compounds considered constant contained corpuscles deflected deflexion density direction discovery distance Einstein elastic electric electromagnetic electron elements emitted energy entropy equal equation equilibrium ether experimental experiments foil force formula frequency gases gravitational heat helium hydrogen hypothesis idea ionization ionization potential ions J. J. Thomson kinetic light Lorentz magnetic field mass mathematics matter Maxwell Maxwell's means measurements mercury metal molecular molecules motion moving nature negative Newton observed obtained oxygen paper particles phenomena phosphorescence physicists physics Planck plate positive pressure produced properties proportional quantity quantum radiation radioactivity radium ratio relativity Royal Society Rutherford scattering scintillations space spectrum substance suppose temperature theory theory of relativity Thomson thorium tion tube uranium velocity vis viva volume wave X-rays