Zadania z chemii IB HL

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The mass spectrum of a sample of an element shows two peaks. What is the relative atomic mass of the element? A. 6.1 B. 6.5 C. 6.9 D. 7.0

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Bromine is a diatomic element made up of two isotopes, $\ce{^{79}Br}$ and $\ce{^{81}Br}$ , in an approximately 1 : 1 ratio. Which graph shows the full mass spectrum of bromine? A. Graph A B. Graph B C. Graph C D. Graph D

The sample produces the following mass spectrum. (i) Explain why the three peaks around $m/z$ 72 have different relative heights. (ii) From the sample, calculate the relative atomic mass of chlorine, giving your answer to two decimal places.