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AP Chemistry
1.2 Mass Spectra of Elements
BeginnerMCQGraphicalConceptual23.4k
A mass spectrum graph with the horizontal axis labeled m/z ranging from 8 to 13 with integer tick marks, and the vertical axis labeled Relative Abundance (%) ranging from 0 to 100 with major tick marks every 20 units. Horizontal gridlines extend from each y-axis tick mark. Two vertical line peaks are shown: one peak at m/z = 10 with a height of 20%, and one peak at m/z = 11 with a height of 80%. No other peaks, text, or annotations appear.
Mass spectrum of an elemental sample.
A student analyzes a purified sample of an element using a mass spectrometer and obtains the mass spectrum shown. Based on the mass spectrum, what is the average atomic mass of the element?

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