Praxis II General Science

Category - Major Ideas

Internal energy is different from external energy, in that it is contained within the molecule or atom. Which of the following is not an example of internal energy?
  1. Rotational
  2. Vibrational
  3. Intermolecular potential
  4. Translational
  5. Radiative
Explanation
Answer: E - Radiation, or radiative energy, is not a type of internal energy. The types of internal energy largely deal with the molecular movement of atoms, and include rotational and vibrational energy. Potentials caused by electromagnetic forces or dipoles are also a form of internal energy.
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