calculate the energy difference?

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1 Answer

  • 9 months ago

    Hydrogen spectrum....

    Find the energy of the photon released when an electron goes from n=7 to n=3 (Paschen series).

    ΔE = -R (1/n²(f) - 1/n²(i))

    ΔE = -2.180x10^-18J (1/9 - 1/49) = -1.977x10^-19 J

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