
Mass Spectrometry
Authored by John Wheeler
Chemistry
12th Grade
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which is the correct sequence for the TOF mass spectrometer?
Ionisation
Acceleration
Ion-drift
detection
Ionisation
Ion-drift
Acceleration
detection
Acceleration
Ionisation
Ion-drift
detection
Ion-drift
Ionisation
acceleration
detection
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What kind of particles are used in mass spectrometry?
atoms
radicals
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is a method of ionisation used in mass spectrometry?
ion impact
spray fission
electron impact
plasma
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is the charge of the ions normally produced by ionisation in the mass spectrometer?
+2
+1
-1
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The ions produced in the mass spectrometer are accelerated so that they have the same...
velocity
mass
momentum
kinetic energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of these is a correctly rearrangement of KE=1/2 mv2
v = √(2KE/m)
v = √(2m/KE)
v = √(KE/2m)
√v = 2KE/m
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following ions would reach the detector first?
Kr78
Kr80
Kr82
Kr83
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