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chemistry

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The energy levels the electron can occupy in the He+ ion can be calculated using the energy level equation. Calculate the frequency (Hz) of the photon emitted when the electron goes from a n= 4.00 energy level to a n= 3 energy level. Express answer in scientific notation.

  • chemistry -

    1/wavelength = 2.180E-18*Z^2*(1/3^2-1/4^2)
    Z for He is 2 so Z^2 = 4.
    Find wavelength, then c = frequency x wavelength to convert to frequency.

  • chemistry -

    do the (*) mean multiple..or are you using them to separate the numbers??

  • chemistry -

    * means multiply.

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