PBS

Chemistry 301: The Development of the Atomic Theory

The terms theory and model are defined, and students learn how a theory remains valid. Atomic Theory: The Development of the Atomic Theory: The terms theory and model are defined, and students learn ...
Nature

(1) Introduction to Atomic Spectra (2) The Theory of Atomic Spectra

THE experimental study of atomic spectra has a long and distinguished history. Even the descriptive analysis of spectra in terms of series and term values the systematic botany of spectra has a ...
Nature

Atomic Structure and the Quantum Theory

WE publish this week, as a special supplement, the substance of an address by Prof. N. Bohr on the development of the theory of atomic structure, and in particular of the latest form and tendencies of ...
EurekAlert!

Figure 1. Example of an atomic substitution in a crystal (IMAGE)

Atomic substitution with La atoms: Ce8Pd24Sb → (Ce5,La3)Pd24Sb. The crystal structure was obtained from the ICSD database (CollCode: 83378). The space group is 221-Pm3m, and the crystal structures are ...
The Atlantic

From Plato to Max Planck: The Philosophical Problems of Atomic Physics

Editor’s Note: Professor WERNER HEISENBERG, who was born in Duisburg in 1901, was awarded the Nobel Prize in Physics in 1932 for his work on the quantum theory. A member of the faculty of the ...