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February 24th, 2008, 08:43 AM  #1 
Newbie Joined: Dec 2007 From: Queens, NYC Posts: 20 Thanks: 0  Bohr Model of the Atom + FrankHertz Experiment
Well i'm basically recreating the FrankHertz Experiment in lab. And am having some trouble with my calculations and comparison with the Energy levels using Bohr's Model of the atom. I'm using the following Equation: Where: m = Mass of Atom e = Charge of Electron EpsilonSub0 = Permittivity of Free Space h = Planck's Constant n = Quantized Number Well i'm trying to find the theoretical value of the Electron Energy of Hydrogen and Mercury at Ground State (n=1) and Excited State (n=2) but i'm getting numbers way too big. When researching, i've found that Hydrogen at Ground State is supposed to give me an answer of about 13.6eV and my calculations come out way off. The number i receive is way too big. Is the problem in the formula i'm using or is it something i did wrong? Any help would be appreciated. Thanks! 
February 25th, 2008, 05:26 PM  #2 
Newbie Joined: Dec 2007 From: Queens, NYC Posts: 20 Thanks: 0 
I found my error. My error was in the mass. I'm supposed to use the Mass of an electron, i can't believe i didn't catch that.


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