Chapter 6.2 Absorption and Emission by molecules

• There are two other ways in which an atom or molecule can absorb or emit ER:

• • Photochemical Reaction- photon splits apart a molecule (if energetic enough). O2 + hn = O + O (for l < 0.2424 mm)
  • Photoionization- photon splits electron(s) from molecule. (for l < 0.1 mm)

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