Utah Education Network
Uen: Build an Atom
Students use cereal, marshmallows, and frosting to help them understand the concept of the atom, ion, and isotope, as well as the locations of subatomic particles in the atom, the concept of strong nuclear force.
Frostburg State University
General Chemistry Online: Atoms, Elements, and Ions Faq
Get the skinny on all things frequently asked about isotopes, subatomic particles and atomic theory. Find out what a "dalton" is or the difference between Na+ and Na.
Concord Consortium
Concord Consortium: Stem Resources: Atomic Structure
Introduces learners to atomic models of the past and present, focusing on the orbital model and an explanation of its basis. Learners then have the opportunity to "make an atom" and contrast it with an ion, followed by an isotope. The...
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 3
A collection of grid puzzles that cover a wide variety of topics in advanced high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers are...