Learning objective
E.1.1—Rutherford experiment
• Geiger-Marsden-Rutherford experiment and the discovery of the nucleus.
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E.1 Structure of the atom
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Learning objective
E.1.2—Nuclear notation
• Use nuclear notation: A = nucleon number, Z = proton number, X = element symbol.
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Learning objective
E.1.3—Atomic energy levels
• Emission and absorption spectra provide evidence for discrete atomic energy levels.
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Learning objective
E.1.4—Atomic transitions
• Photons are emitted/absorbed during transitions between atomic energy levels.
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Learning objective
E.1.5—Photon energy
• Photon energy in atomic transition: E=hf.
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Learning objective
E.1.6—Spectra and composition
• Use emission and absorption spectra to infer chemical composition.
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