How atoms bond - George Zaidan and Charles Morton. Build an Atom - Phet. Topics Atoms Atomic Structure Isotope Symbols Atomic Nuclei Description Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change.
Then play a game to test your ideas! Build a Molecule - Phet. Build an Atom. GCSE Bitesize - Structure and bonding.