Timeline Project on Atomic Theory 4

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Timeline Project on Atomic Theory part 4 of 6 from 1911 to 1926 at Timeline Help.

- 1911

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- 1925

- 1926

Rutherford discovered the atomic nucleus through a scattering experiment done with Geiger.

Bohr introduces the theory that electrons orbit the nucleus of the atom.

Moseley used x-ray tubes to figure out the charges on atom nuclei. He wrote The atomic number of an element is equal to the number of protons in the nucleus. This caused a reorganization of the periodic table based upon number rather than mass.

Elmer Imes, an American physicist, measured the distances of atoms within a molecule. Aston used a mass spectrograph to prove the existence of isotopes.

Bohr introduced the Aufbau principle within the electronic structure of atoms.

Pauli wrote the exclusion principle for electrons in atoms. Bothe and Geiger demonstrated that mass and energy are conserved in the atomic process.

Schroedinger developed wave mechanics. Lewis called light quantums photons. Max Born wrote a probability interpretation of quantum mechanics.

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Bibliography of the Timeline Project on Atomic Theory

Maksic, Z B (1990). Theoretical Models of Chemical Bonding, Part 1, Atomic Hypothesis and the Concept of Molecular Structure.
Baryakhtar, V G, Zarotchentsev, E V and Troitskaya, E P (1999). Theory of Adiabatic Potential and Atomic Properties of Simple Metals.
Elliott, R J and Balkanski, M (1997). Atomic Diffusion in Disordered Materials. Theory and Applications.
Foot, C J (2005). Atomic Physics. Oxford Master Series in Atomic, Optical and Laser Physics.
Skomski, R (2008). Simple Models of Magnetism. Oxford Graduate Texts.
Bassow, H (1968). Construction and Use of Atomic and Molecular Models. The Commonwealth and International Library.
Lakhtakia, A (1996). Models and Modelers of Hydrogen - Thales, Thomson, Rutherford, Bohr, Sommerfeld, Goudsmit, Heisenberg, Schrodinger, Dirac, Sallhofer.
Candler, A (2007). Atomic Spectra And The Vector Model.
Chemistry School Book (2001). Atomic Models, Lifepac Science Grade 11.

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