February 26, 2017

Homework Help: Chemistry

Posted by Sarah on Monday, October 26, 2009 at 4:01pm.

Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞). Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Calculate the energy (Joules) associated with this photon. (1 cm-1 = 1.986 x 10-23 J)

do I use E = -RH / n^2 ?

I don't know why I'm given the cm to J conversion, or why they ask for the wavelength first.

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