E.1 Structure of the Atom

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Rutherford's Gold Foil Experiment · Inside the Nucleus · Atomic Number, Mass Number & Isotopes

Light from AtomsSign up

Energy Levels · Photon Energy: E = hf · Spectra as Evidence

The Bohr ModelHLSign up

Bohr's Quantisation Conditions · Calculating Energy Levels and Wavelengths · Limitations of the Bohr Model