Chemistry 0620 · IGCSE · Formulae

Formulae — practice question

Which row gives the formula of the substance named?

  • Acobalt(II) chloride, $\text{CuCl}_2$
  • Bethane, $\text{C}_2\text{H}_6$
  • Chelium, $\text{He}_2$
  • Diron(III) oxide, $\text{Fe}_3\text{O}_2$

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