Q
QuestionChemistry

Bromine has two isotopes, with mass numbers 79 and 81. Its relative atomic mass is often given as 80. What does that tell you about the relative abundance of the two isotopes?
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Step 1
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Step 2
: Understand the Given Information

- Bromine has two isotopes with mass numbers 79 and 81 - The relative atomic mass is 80 - We need to determine the relative abundance of these isotopes

Final Answer

The two isotopes of bromine (^{79}Br and ^{81}Br) are present in equal proportions, each making up 50% of naturally occurring bromine.