The 1st three energy levels of a fictitious atom are at -16 eV; -9 eV and -6 eV. 1) Draw the energy level diagram of this atom and label the diagram. 2) A low-density gas made of these atoms is bombarded with a beam flash of EM waves whose wavelengths range from 115 nm to 200 nm (understand light similar to the visible but we cannot with our naked eyes). Describe the exiting beam if it is passed through a spectrometer (a device that makes use of a diffraction grating) and then projected on a viewing screen

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The 1st three energy levels of a fictitious atom are at -16 eV; -9 eV and -6 eV.


1) Draw the energy level diagram of this atom and label the diagram.

2) A low-density gas made of these atoms is bombarded with a beam flash of EM waves whose wavelengths range from 115 nm to 200 nm (understand light similar to the visible but we cannot with our naked eyes). Describe the exiting beam if it is passed through a spectrometer (a device that makes use of a diffraction grating) and then projected on a viewing screen

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