A Mars sulfur sample contains four isotopes, and Table 2.1 lists the percentage abundance for each isotope.
(a)[1]
Describe one distinction between the isotopes $^{32}_{16}\mathrm{S}$ and $^{33}_{16}\mathrm{S}$.
(b)[1]
Explain why all sulfur isotopes have the same chemical behaviour.
(c)[2]
Show by calculation that the relative atomic mass of sulfur for this sample is 32.09.
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