Posted by
**suszan** on
.

3. An unknown element produces a spectral line of 425nm.

A. Calculate the energy of the emitted photon in joules.

B. What is the energy of the emitted photon in electron-volts?

Wednesday

March 29, 2017
Posted by
**suszan** on
.

3. An unknown element produces a spectral line of 425nm.

A. Calculate the energy of the emitted photon in joules.

B. What is the energy of the emitted photon in electron-volts?

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