Chemistry 0620 · IGCSE · Formulae

Formulae — practice question

Which row gives the correct formula for the substance named?

  • Acobalt(II) chloride, $\text{Cu}_2\text{Cl}$
  • Bsodium carbonate, $\text{Na}_2\text{CO}_3$
  • Cxenon, $\text{Xe}_2$
  • Dammonium sulfate, $\text{NH}_4\text{SO}_4$

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