BRAINCAKERelative Isotopic Mass
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Relative isotopic mass is the mass of an isotope of an atom compared to 1/12th the mass of a carbon-12 atom.
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Key terms in this lesson
- Isotopes
- Atoms of the same element with the same number of protons but different numbers of neutrons.
- Mass number
- The number of protons and neutrons in the nucleus of an atom.
More in Atoms, Ions and Compounds
- Atomic Number
- Isotopes
- Ions
- Carbon-12
- Relative Atomic Mass
- The Mass Spectrometer
- Calculating Relative Atomic Mass
- Chemical Formulae
All 17 lessons in Atoms, Ions and Compounds · All OCR AS-level Chemistry topics