An atom is ionized so that it has only one electron when
An atom is ionized so that it has only one electron. When the electron drops from the n = 3 shell to the n = 1 shell, an X-ray of wavelength 67.44 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 3 shell to the n 1 shell an
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