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WorksheetsMass Spectroscopy
Total questions: 15
Worksheet time: 1hrs 6mins
How many stable isotopes are represented on the mass spectrum?
1
2
3
4
5
What is the average atomic mass based on the mass spectrum data?
24.32 amu
22.99 amu
30.84 amu
25.00 amu
To which element does this mass spectrum belong?
Na
Mg
Al
Ne
The mass spectrum of a natural abundance of chlorine atoms is shown in the figure. Detailed analysis shows that the two stable isotopes of chlorine have masses of 34.969 amu and 36.966 amu. What are the mass numbers of the two isotopes of chlorine?
34.969 amu and 36.966 amu
34 and 36
35 and 37
17 and 17
The mass spectrum of a natural abundance of chlorine atoms is shown in the figure. Detailed analysis shows that the two stable isotopes of chlorine have masses of 34.969 amu and 36.966 amu. What is the approximate percent abundance of the lighter isotope?
20
25
50
75
The mass spectrum of an unknown sample shows four peaks. Use the data below to calculate the relative atomic mass of the sample.
83.8 amu
52.1 amu
52.5 amu
52.3 amu
What element's mass spectrum is represented below?
Re
As
W
Mo
The mass spectrum below represents a mixture of elements. What elements are present? Click 2.
As
S
Ag
Mn
Investigate the mass spectra attached. Which peak is the most abundant?
90
91
94
92
96
