Introduction to Contemporary Physics

alpha-particles amount angle angular momentum anode argon atom-model atomic number atomic weight axis Balmer series beam bombarding cathode Chapter charge-to-mass ratio chemical circular orbits column corresponding curve dark space deflections determined discharge distance doublet droplet effect elec electric field electron-stream electrons elements ellipse emitted energy-values equal equation equivalent volts excited experimental experiments fact fieldstrength frequency gases helium atom hydrogen atom impacts instance integer multiple interpreted inverse-square ionized atom ionized helium ionizing-energy ionizing-potential ions isotopes J. J. Thomson kinds of ions kinetic energy line-series lines magnetic field magnetic moment mass measurements mercury metal method molecules normal nuclear atom-model nucleus of charge observed particles Periodic Table phenomena physics plate positive ions potential properties quantity quantum quantum-number radiation resonance-potential revolving scattered sequence sodium space-charge spectra spectrum speed Stationary supposed theory tion transitions trons valence-electron vapor various voltage wavelength X-ray Zeeman effect