BRAINCAKERelative Atomic Mass
Because most elements have more than one isotope and naturally occurring elements have different proportions of each isotope, the relative atomic mass is used for calculations involving the mass of atoms.
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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.
More in Amount of Substance
- Relative Molecular Mass
- Relative Formula Mass
- The Mole and The Avogadro Constant
- Calculating the Number of Moles
- Example Question - 1
- Example Question - 2
- Mass Concentration
- Example Question - 1
All 33 lessons in Amount of Substance · All AQA AS-level Chemistry topics