n excited electron in an Na atom emits radiation at a wavelength 589 nm and returns to the ground ate. If the mean time for the transition is about 20 ns, calculate the inherent width in the emission ne. Note that the uncertainty principle can be expressed as ApAx and ATAE.

n excited electron in an Na atom emits radiation at a wavelength 589 nm and returns to the ground ate. If the mean time for the transition is about 20 ns, calculate the inherent width in the emission ne. Note that the uncertainty principle can be expressed as ApAx and ATAE.

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter6: The Structure Of Atoms

Section6.7: One More Electron Property: Electron Spin

Problem 2.1ACP

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Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

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An excited electron in an Na atom emits radiation at a wavelength 589 nm and returns to the ground
state. If the mean time for the transition is about 20 ns, calculate the inherent width in the emission
line. Note that the uncertainty principle can be expressed as ApAx and ATAE.

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