APFIVE Mass Spectrometry of Bromine Isotopes
The mass spectrum of elemental bromine shows two peaks of nearly equal height at m/z = 79 and m/z = 81. Which of the following conclusions about the isotopes of bromine is best supported by these data?
A
The sample contains two different elements
B
Bromine has one isotope that fragments into two parts
C
Bromine’s average atomic mass is exactly 80 amu
D
Bromine has two isotopes with nearly equal natural abundance
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