- #1

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I found the answer to be 5 but I don't know how. I thought I could use the following equation:

En=-(13.6eV) * (z^2 / (n

__final__)^2 - (n

__initial__)^2)

En=-2.86

z=1

n

__initial__=2

I solved for n

__final__and had the answer as 3 but that was incorrect. Am I doing something wrong?

Any help on this would be greatly appreciated! Thank you :)