Chemistry 0620 · IGCSE · Group I properties

Group I properties — practice question

Lithium, sodium and potassium are elements in Group I of the Periodic Table. Which statement concerning sodium is correct?

  • ASodium is more dense than potassium.
  • BSodium reacts with water more vigorously than lithium.
  • CSodium has a lower melting point than potassium.
  • DSolid sodium does not conduct electricity.

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