Article
Lawrence Berkeley National Laboratory

Berkeley Lab: Sub Nucleonic Structure and the Modern Picture of a Nucleus

For Students 9th - 10th
A simple explanation of the structures theoretically found within protons and neutrons. The resource consists of pictures and links to additional resources.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: Structure of an Atom

For Students 2nd - 8th
An atom is made of three parts - protons, neutrons, and electrons. Here you can explore these different parts.
Article
PBS

Pbs Learning Media: Diamonds: The Science Behind the Sparkle

For Students 9th - 10th
This illustrated essay from the NOVA Web site explains why the atomic structure of a diamond slows down light and produces a sparkle more brilliant than from any other colorless substance.
Article
Famous Scientists

Famous Scientists: Aage Bohr

For Students 9th - 10th
Learn about the life of Aage Niels Bohr, and see how his work was pivotal in the development of the theory of the structure of the atomic nucleus.
Article
Khan Academy

Khan Academy: Discovery of the Electron and Nucleus

For Students 9th - 10th
Learn about Thomson's cathode ray experiment and the plum pudding model and Rutherford's gold foil experiment.
Article
Open Curriculum

Open Curriculum: The Atom

For Students 9th - 10th
Learn about atoms and their properties of motion with this illustrated article.
Article
Khan Academy

Khan Academy: Polyatomic Ions

For Students 9th - 10th
How to name ionic compounds containing common polyatomic ions.
Article
Khan Academy

Khan Academy: Naming Monatomic Ions and Ionic Compounds

For Students 9th - 10th
Learn how to name monatomic ions and ionic compounds containing monatomic ions, predict charges for monatomic ions, and understand formulas.

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