Chemistry 9701 · AS & A Level · Atomic structure

Atomic structure — practice question

The relative molecular mass, $M_r$, of one particular sample of chlorine is $72.0$. Which properties of the atoms in this sample are identical for every atom?

  • A1, 2 and 3
  • B1 and 2 only
  • C2 and 3 only
  • D1 only

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