Question detail
What is the final step in the process of a time-of-flight mass spectrometer?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atomic structure
Question
- A. Data analysis
- B. Ion drift
- C. Ionisation
- D. Acceleration
Answer
Data analysis
Explanation
The evidence shows that after ions are detected, the data collected is analyzed to produce a mass spectrum. This step is critical because it interprets the time-of-flight data into meaningful information about the sample's composition. The implication is that without data analysis, the results of the mass spectrometry would be meaningless, leading to the conclusion that this final step is essential for understanding the sample's chemical makeup.
Common mistake
Misunderstanding Mass Spectrometer Principles
Students often confuse the stages of a mass spectrometer, particularly ion drift and detection.
To fix this, students should study each stage of the mass spectrometer carefully, focusing on the role of ion drift in separating ions based on their mass-to-charge ratio and how detection occurs after this separation.
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