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chemistry

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calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from
n=5 to n=1
how do I do this?

  • chemistry -

    E = 2.180E-18 J*(1/1^2 - 1/5^2)

  • chemistry -

    I think I am doing something wrong.
    I keep coming up with 8.72x10^17 and it is telling me I am wrong.

    I know D E=2.18x10^-18 x (1/1^2-1/5^2)

  • chemistry -

    i think I am not doing this part right
    (1/n5^2 - 1/n1^2)

  • chemistry -

    2.0928 x 10(to the power of -18)

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