Physics
Physics, 11.12.2019 03:31, Tcareyoliver

The first excited state of a mercury atom is above the ground state. a moving electron collides with a mercury atom, and excites the mercury atom to its first excited state. immediately after the collision the kinetic energy of the electron is . what was the kinetic energy of the electron just before the collision?

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The first excited state of a mercury atom is above the ground state. a moving electron collides with...

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