Mass Spectrometery
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9 Terms
What is a mass spectrometer?
A mass spectrometer is a large instrument that
measures the mass of each isotope present in an element
compares the relative isotopic abundances - how much of each isotope is present
What is relative isotopic mass?
Relative isotopic mass is the mass of an isotope relative to 1/12 of a carbon-12 atom
What is a mass spectrometer used to do?
A mass spectrometer is used to find both the natural abundance of every isotope of an element and their isotopic mass which is used to calculate the relative atomic mass of the element
What is relative atomic mass?
Relative atomic mass is the weighted average mass of an atom of an element compared to 1/12 of the mass of an atom of carbon-12 (12C)
How is relative atomic mass calculated?
Relative atomic mass is calculated using the:
Relative isotopic mass of a particular element and its
Percentage abundance in a given sample of said element