energy levels / atomic energy levels / mutual potential energy / energy level / kinetic energy / chemical composition / energy level ladder / fundamental quantitative law / energy level tables / potential energy / ionization energy / energy level diagrams / chemical elements / energy / /
Person
Jean Bernard Foucault / George Stokes / Johann Ritter / Willebrord Snel / Niels Bohr / Isaac Newton / Charles Wheatstone / Arthur Eddington / John Herschel / William Herschel / Anders Ångström / Arnold Sommerfeld / Voltaire / J. J. Balmer / / /
Position
physicist / instrument maker / writer / spectroscopist / lecturer / mathematician / original model / /