Chemistry 0620 · IGCSE · Relative masses of atoms and molecules

Relative masses of atoms and molecules — practice question

Which two quantities are used to work out the relative atomic mass of a sample of boron?

  • Avalue 1: the total number of boron isotopes; value 2: the total number of boron atoms
  • Bvalue 1: the relative abundance of each boron isotope in the sample; value 2: the relative mass of each boron isotope
  • Cvalue 1: the relative abundance of each boron isotope in the sample; value 2: the total number of boron atoms
  • Dvalue 1: the total number of boron isotopes; value 2: the relative mass of each boron isotope

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