Chemistry 0620 · IGCSE · Relative masses of atoms and molecules

Relative masses of atoms and molecules — practice question

The relative atomic mass of chlorine is $35.5$. In a relative atomic mass calculation, the mass of a chlorine atom is compared with the mass of which particle?

  • Aa neutron
  • Ba proton
  • Can atom of carbon-12
  • Dan atom of hydrogen-1

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