Chemistry
Chemistry, 09.12.2020 21:20, xyzendre

An atom is ionized so that it has only one electron. When the electron drops from the n = 5 shell to the n = 1 shell, an X-ray of wavelength 121.14 pm is emitted. What is the atomic number?

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An atom is ionized so that it has only one electron. When the electron drops from the n = 5 shell to...

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