Hydrogen Energies and Spectrum The Bohr model for an electron transition in hydrogen between quantized energy levels with different quantum numbers n yields a photon by emission with quantum energy. http://230nsc1.phy-astr.gsu.edu/hbase/hyde.html Top/Science/Chemistry/Elements/Hydrogen
HyperPhysics Concepts A concept map of physics showing relationships between topics while giving explanations and references. http://hyperphysics.phy-astr.gsu.edu/hbase/hph.html Top/Science/Physics/Education