QUIZ CHAPTER 29. Mass Spectrometry

What initiates the conversion of analyte molecules into ions in mass spectrometry?

• Electron bombardment

• Ionization

• Radiation exposure

• Chemical reaction

What is the purpose of tandem mass spectrometry (MS/MS)?

• To separate ions based on their mass-to-charge ratio

• To measure flight time differences of ions

• To analyze fragmentation patterns for structural elucidation

• To detect ion abundance and translate it into an electrical signal

What is the primary function of a mass analyzer?

• To introduce samples into the instrument

• To convert analyte molecules into ions

• To separate ions based on their mass-to-charge ratio

• To maintain low-pressure conditions within the instrument

What does tandem mass spectrometry (MS/MS) allow for?

• Rapid and sensitive analysis

• Structural elucidation

• Multielement analysis

• Isotope ratio determinations

What does mass spectrometry provide information on?

• Color and texture

• Density and volume

• Molecular mass, elemental composition, and chemical structure

• Temperature and pressure

What is a common transducer used in mass spectrometry for ion detection?

• Photomultiplier

• Semiconductor sensor

• Electron multiplier

• Optical fiber detector

Which inlet system introduces samples with minimal vacuum loss?

• Batch inlet

• Direct probe inlet

• Chromatographic inlet

• Electrophoretic inlet

Which source is commonly used for molecular mass spectrometry?

• Electron impact (EI)

• Inductively coupled plasma (ICP)

• Flame atomizer

• Electrothermal atomizer

What parameter does resolution measure in mass spectrometry?

• Ion abundance

• Mass difference

• Ion velocity

• Ion charge

What has molecular mass spectrometry revolutionized since the 1950s?

• Industrial manufacturing

• Geological exploration

• Organic chemistry

• Medical imaging