Which element does each PES spectrum below represent? Label the element and identify which subshell corresp to each peak. (a) Relative Number of Electrons Relative number of electrons 1000 200 160 100 3.4 (c) Note: High energy electrons are sometimes omitted from the graph for simplicity Photo Electron Spectra 10 2. Consider the element aluminum. Energy 30 10 3 lonization energy (MJ/mol) 01 (b) (d) of Electrons 100 Relative Number of Electrons (c) Which electrons correspond to the largest energies? Explain. 3p NAME: Danni chen PER: 5 1000 100 10 (a) Write the ground state electron configuration for aluminum. 15252353p (b) How many unique peaks are expected in aluminum's PES spectrum? Explain. Photo Electron Spectra 10 Energy Photo Electron Spectra Energy Because it's the outermost electron (Valence electron) (d) Which peak in the spectrum will have the greatest intensity (i.e., be the largest)? Explain. 3. A student makes the following statement: "Since Ca+ and Ar,