http://www.ck12.org Chapter 4. Atomic Structure
4.4 References
- Raphael. http://commons.wikimedia.org/wiki/File:Sanzio_01_Plato_Aristotle.jpg. Public Domain
- Hendrick Bloemaert. http://commons.wikimedia.org/wiki/File:Hendrick_Bloemaert_Democritus.jpg. Public
Domain - Joseph Allen. http://commons.wikimedia.org/wiki/File:John_Dalton.jpeg. Public Domain
- User:Chetvornoa/Wikipedia and User:Drondent/Wikipedia. http://commons.wikimedia.org/wiki/File:Crook
es_tube2_diagram.svg. Public Domain - User:Fastfission/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Plum_pudding_atom.svg.
Public Domain - Zachary Wilson. CK-12 Foundation. CC BY-NC 3.0
- Courtesy of NASA. http://imagine.gsfc.nasa.gov/docs/science/know_l1/history1_xray.html. Public Domain
8.. http://commons.wikimedia.org/wiki/File:Ernest_Rutherford.jpg. Public Domain - Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Zachary Wilson. CK-12 Foundation. CC BY-NC 3.0
- Joy Sheng. CK-12 Foundation. CC BY-NC 3.0