Answer to Question #229041 in General Chemistry for Jay

Question #229041
A photon of 498nm Was emitted from a silicon atom. Calculate the energy of all the atomic levels of silicon and show the atomic levels are quantified
1
Expert's answer
2021-08-24T02:19:46-0400

E(n) = - (1/n2) * 13.6 eV




In this equation, the Energy, E, is a function of the energy level, n. The units for the energy are in eV, which will have to be converted.




For n=2, we have E(2) = - (1/22) * 13.6 eV




E(2) = -(1/4) * 13.6 eV




E(2) = -3.40 eV




We can convert using 1 eV = 1.602 x10-19 J




So -3.40 eV * 1.602 x10^-19 J / 1 eV


= -5.45 x10^-19 J × 498


= -2.714 × 10-16J


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