wzorowane1 pktzamknięteśrednie (szac.)
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
Mass spectra of elements
Read the mass spectrum of an element to identify its isotopes from the m/z values and their relative abundances from peak heights, then combine them to calculate the relative atomic mass.
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wzorowane1 pktzamknięteśrednie (szac.)
Bromine is a diatomic element made up of two isotopes, and , 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
wzorowane4 pktobliczenioweśrednie (szac.)
The sample produces the following mass spectrum. (i) Explain why the three peaks around 72 have different relative heights. (ii) From the sample, calculate the relative atomic mass of chlorine, giving your answer to two decimal places.