What is the conditions to excite an atom by collision?

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SUMMARY

An atom can become excited through collisions with other particles, such as atoms or molecules, under specific conditions of pressure and temperature. The energy of the collision must be sufficient to elevate an electron to a higher orbital. The excitation process is quantitatively described by the Boltzmann factor, which relates the temperature of the system to the likelihood of excitation. The Franck-Hertz experiment serves as a practical illustration of these principles in action.

PREREQUISITES
  • Understanding of atomic structure and electron orbitals
  • Familiarity with the Boltzmann factor in statistical mechanics
  • Knowledge of collision theory in physics
  • Basic concepts of the Franck-Hertz experiment
NEXT STEPS
  • Research the Boltzmann distribution and its applications in thermodynamics
  • Study the Franck-Hertz experiment in detail, including its setup and results
  • Explore collision theory and its implications for atomic excitation
  • Investigate the role of temperature and pressure in gas-phase reactions
USEFUL FOR

Students and researchers in physics, particularly those focusing on atomic and molecular interactions, as well as anyone interested in the principles of atomic excitation and energy transfer.

Yazdi Hossein
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I know that an atom can become excited in one of two ways: by absorbing some energy from a source of electromagnetic radiation or by colliding with some other particle—another atom, for example, but my question is about the second part. So I want to know how and in what conditions (pressure, temperature ...) an atom can collide with another atom or even molecule and it causes excitation. Then after the atom's excitation, an electron boost into a higher orbital.
 
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The excitation of a system and its relation to temperature is described by the Boltzmann factor, that could have some relevance to your question.
 
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The collision has to be energetic enough to be able to excite the atom. Look up the Franck-Hertz experiment for an example.
 
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