Mass Spectrometer/Mass Spectrum (How are the different isotopes of an element detected and atomic weight determined?

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8 Terms

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<p>Mass Spectrometer Process/Steps</p>

Mass Spectrometer Process/Steps

1) Vaporization

2) Ionization

3) Acceleration

4) Electromagnet

5) Detection

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<p>Mass Spectrum</p>

Mass Spectrum

a graph that is made to show the results of a mess spectrometer

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Measurement on x axis of a mass spectrum

Mass/charge

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Measurement on the y axis of a mass spectrum

percent abundance (corresponds to atomic mass)

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Peaks on a mass spectrum represent

isotopes

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What does it mean if the peak for one isotope is higher than the other?

That isotope is more abundant (common)

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abundance of an isotope

The y value at the top of the bar graph/top of the isotope

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atomic weight =

#from isotope(isotope’s percentage of abundance in decimal) +#from isotope(isotope’s percentage of abundance in decimal) … (repeat more if there are more isotopes)