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**1. The atomic number of osmium is Z = 76. According to the Bohr model, what is the energy (in joules) of a K X-ray photon?**

**2. ?**

**3. The reason I left relavent eqns blank is because I used the following:**

En = -(13.6) Z^2/n^2

subtracting one from Z before squaring and converting to joules gave me an incorrect answer of En = 1.226 x 10^-14 J.

I do not believe I am using the right equation but it is the only one my book offers for this.

Please help.

Thanks.

En = -(13.6) Z^2/n^2

subtracting one from Z before squaring and converting to joules gave me an incorrect answer of En = 1.226 x 10^-14 J.

I do not believe I am using the right equation but it is the only one my book offers for this.

Please help.

Thanks.