What is the primary function of a mass spectrometer____________?
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Answer: C. Elements
Explanation
A mass spectrometer separates ions to determine the mass-to-charge ratio and identify chemical elements and isotopes. Samples must be ionized before entering the spectrometer's electric and magnetic fields. This analytical technique helps scientists identify elemental compositions with extreme precision. Mass spectrometry is widely used in chemistry, physics, and medical diagnostics. Ions are deflected by magnetic fields based on their mass and electrical charge. Detectors record the resulting abundance spectra to reveal the sample's atomic makeup.
Forensic laboratories use mass spectrometers to detect trace amounts of drugs or toxins. Geologists date rock formations by measuring isotope ratios with mass spectrometry equipment. Pharmaceutical researchers rely on this technology to verify the purity of synthesized compounds. Option A refers to molecules generally, though spectrometers analyze ions derived from them. Option B mentions ions, but elements and isotopes represent the ultimate identification targets. Option C correctly identifies elements, which are distinguished through atomic mass measurement.
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