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Chemistry

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H2P4: PHOTON EMISSION

An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.

  • Chemistry - ,

    1/wavelength = wave number = 9*1.09737E7(1/1 - 1/4) =
    That comes from
    1/wavelength = RZ^2(1/n1^2 - 1/n2^2)
    n1 = 1 and 1^2 = 1
    n2 = 2 and 2^2 = 4
    R = 1.09737E7
    Z = atomic number = 3^2 = 9

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