BRAINCAKEMass Spectrometer
A mass spectrometer measures the mass of atoms and molecules
The mass spectrometer can be used to experimentally measure the percentage abundances of isotopes in a sample of an element or deduce the structure of a molecule by analysing positively charged molecules and their positively charged fragments.
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Key terms in this lesson
- isotope
- Atoms of the same element with the same number of protons but a different number of neutrons.
More in Atomic Structure
- Atomic Number and Mass Number
- Isotopes
- Relative Isotopic Mass
- Relative Atomic Mass
- Relative Atomic Mass from a Mass Spectrometer
- Relative Molecular Mass from a Mass Spectrometer
- Quantum Shells
- Orbitals
All 19 lessons in Atomic Structure · All Edexcel AS-level Chemistry topics