Chemistry, 09.03.2021 07:20 greenhusky
An electron moves from the 4th energy level to the 2nd energy level in a hydrogen atom. The wavelength of the photon emitted is 486 nm. What is the energy, in Joules, of this photon? (Report your answer in scientific notation. Round the coefficient to 2 significant figures.)
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An electron moves from the 4th energy level to the 2nd energy level in a hydrogen atom. The waveleng...
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