The detector in a mass spectrometer records the number of ions measured at a fixed position as the field is varied. For a sample consisting of a single atomic species, two peaks were found where one was expected, as shown in Figure Q24.23. The most likely explanation is that the atoms received different charges when ionized. If the two peaks correspond to ions with charges +e and +2e, which peak is which? Explain.

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Ions measured 0 0.15 FIGURE Q24.23 B -B (T) 0.30