Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

A mass spectrum for a neon sample is shown. The relative abundance of each peak is given in brackets above it. Determine the relative atomic mass, $A_r$, of this neon sample.

  • A20.15
  • B20.20
  • C21.00
  • D21.82

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