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

Atoms, molecules and stoichiometry — practice question

A 2.920 g sample of a Group II metal, X, is reacted with excess chlorine to produce 5.287 g of a compound of formula $\text{XCl}_2$. Which metal is X?

  • Abarium
  • Bcalcium
  • Cmagnesium
  • Dstrontium

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