Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity

The Periodic Table: chemical periodicity — practice question

The elements Cl, Mg, Si and S are all located in Period 3. Which of these has the correct order of melting points, arranged from the lowest to the highest?

  • ACl, S, Mg, Si
  • BCl, S, Si, Mg
  • CMg, Si, S, Cl
  • DSi, Mg, S, Cl

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