Atomic Theory and Structure

Atomic Theory I: Cathode Rays, Electrons and the Nucleus

by Adrian Dingle, B.Sc., Anthony Carpi, Ph.D.

Further Exploration

The Particle Adventure

Lawrence Berkeley National Laboratory - The standard and quantum atomic model. Multiple Languages

A Look Inside the Atom

American Institute of Physics - JJ Thomson's experiments.

Portrait of an Atom

Ken Snelson - Artistic renditions of atomic structure.


J.J. Thomson

J. J. Thomson

Ernest Rutherford

Ernest Rutherford


J. J. Thomson on the Electron

Amer. Inst. Physics - 800k audio, live recording of J. J. Thomson speaking about the electron.

On the Structure of the Atom

Thomson's 1904 paper describing atomic structure.

Nuclear Constitution of Atoms

Text of Rutherford's 1919 lecture on nuclear structure.

News & Events

New Model Explains Proton Structure

Ohio State U.

Current Science News

News from around the world of science.


Google Scholar

Google - Research database allows searching of the scholarly literature.


Build an Atom

PhET - Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change.

Next Generation Science Standards (NGSS)

Next Generation Science Standards: For States, By States

National Academies Press: A Framework for K-12 Science Education