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smrj07 smrj07
wrote...
Posts: 32
Rep: 2 0
11 years ago
I don't know why, but I just don't get chemistry. I can't figure out either of these two problems, I would really love some help.

Assume the Bohr model to determine the radius of the n = 5 orbit in a N6+ ion.

and

A hydrogen atom in an excited state emits a photon of frequency ? = 2.924 x 1015 s-1. If the electron returns to the ground state, in which level was it before the photon was emitted?
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wrote...
11 years ago
hints...

for the first...
http://library.thinkquest.org/28383/nowe_teksty/htmla/2_14a.html

for the second...
http://en.wikipedia.org/wiki/Rydberg_formula
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