3.1.1.2 - Mass Numbers and Isotopes

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Last updated 5:58 PM on 4/11/26
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4 Terms

1
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Define relative atomic mass

  • The average mass of an atom of an element

  • relative to 1/12th the mass of a Carbon 12 atom

2
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How do you calculate RAM (relative atomic mass)?

  • Multiply each mass (m/z) by each relative intensity

  • Calculate the sum of them all

  • Divide by the sum of the relative intensity

<ul><li><p>Multiply each mass (m/z) by each relative intensity</p></li><li><p>Calculate the sum of them all</p></li><li><p>Divide by the sum of the relative intensity</p></li></ul><p></p><p></p>
3
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What is the TOF equation?

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4
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What unit does mass have in a TOF mass spectrometer?

Kilograms (kg)