University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: The Pauli Exclusion Principle
The Pauli Exclusion Principle shows how electrons fill atomic orbitals. Includes biographical information on Wolfgang Pauli.
University of Colorado
University of Colorado: Physics 2000: Spectral Lines
Several pages from an excellent site which describe the science of spectroscopy. The unique atomic emission (and absorption) line spectrum of elements are illustrated and explained. Includes a Java applet depicting the quantum energy...
Encyclopedia of Earth
Encyclopedia of Earth: Silver
Information about the element, Silver, atomic number 47. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations and effects from exposure to it. Also discusses...
Encyclopedia of Earth
Encyclopedia of Earth: Rubidium
Information about the element, Rubidium, atomic number 37. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations.
Encyclopedia of Earth
Encyclopedia of Earth: Gold
Information about the element, Gold, atomic number 79. Covers its unique physical properties, its atomic properties, how abundant it is on the Earth, sources, uses, and potential substitutes.