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AP Chemistry
1.7 Periodic Trends
1.6 Photoelectron Spectroscopy
1.5 Atomic Structure and Electron Configuration
IntermediateMCQDrawing RepresentationsGraphicalConceptual25.2k
A photoelectron spectrum plotted on Cartesian axes. The horizontal axis is labeled 'Binding Energy (\(\text{MJ/mol}\))' with a logarithmic-style decreasing scale from left to right, marked with values \(1000\), \(100\), \(10\), and \(1.0\). The vertical axis is labeled 'Relative Number of Electrons' with evenly spaced tick marks from \(0\) to \(6\). The spectrum displays five distinct vertical peaks representing the subshells of sulfur: the first peak on the far left at approximately \(247\text{ MJ/mol}\) has a relative height of \(2\); the second peak at approximately \(23\text{ MJ/mol}\) has a relative height of \(2\); the third peak at approximately \(16\text{ MJ/mol}\) has a relative height of \(6\); the fourth peak at approximately \(2.0\text{ MJ/mol}\) has a relative height of \(2\); and the fifth peak on the far right at approximately \(1.0\text{ MJ/mol}\) has a relative height of \(4\). No other peaks, gridlines, text, or annotations appear.
Photoelectron spectrum of neutral \(\text{S}\) atoms showing relative peak heights and binding energies in \(\text{MJ/mol}\).
The complete photoelectron spectrum of a sample of neutral sulfur atoms in the gas phase is shown below.

Which of the following statements correctly compares the peak corresponding to the \(2p\) subshell with the peak corresponding to the \(3p\) subshell?

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