By the end of this unit students will be able to:

  • Analyze the structure of atoms, isotopes, and ions.
  • Analyze an atom in terms of the location of electron.
  • Explain the emission of electromagnetic radiation in spectral form in terms of the Bohr model.
  • Explain the process of radioactive decay using nuclear equations and half-life.


Build an Atom at PhET

Explore Isotopes and Atomic Mass at PhET

Explore Rutherford Scattering at PhET