(a) In what fundamental way is mass spectrometry related to Thomson's cathode-ray experiments (Figure 2.4)?
(b) What are the labels on the axes of a mass spectrum?
(c) To measure the mass spectrum of an atom, the atom must first lose one or more electrons. Why is this so?
Figure 2.4

Transcribed Image Text:

Fluorescent creen Electrically charged plates Anode (+) Electron path Cathode () Evacuated tube Electron beam undeflected if electric and magnetic field strengths exactly balance each other. Magnet Electric and magnetic fields deflect the electron beam.