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AP Chemistry
1.2 Mass Spectra of Elements
IntermediateMCQDrawing RepresentationsMathematical15.3k
A mass spectrum plot with a horizontal axis labeled Mass-to-charge ratio (m/z) and a vertical axis labeled Relative Intensity. The horizontal axis has tick marks at integers from 48 to 55. The vertical axis has numerical labels from 0 to 14 in increments of 2 (0, 2, 4, 6, 8, 10, 12, 14) with light horizontal gridlines at each increment. Exactly three vertical solid black line peaks appear: the first peak is at m/z = 50.0 with a height of exactly 12.0; the second peak is at m/z = 52.0 with a height of exactly 6.0; the third peak is at m/z = 53.0 with a height of exactly 2.0. No other peaks, labels, text, or annotations appear.
Mass spectrum of a naturally occurring sample of element \(\text{X}\).
A pure sample of a naturally occurring element, \(\text{X}\), is analyzed using mass spectrometry. The resulting mass spectrum is shown below, displaying three distinct peaks corresponding to singly charged \(\text{X}^+\) ions. Based on the data in the mass spectrum, what is the average atomic mass of element \(\text{X}\)?

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