Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

Potassium combines with iodine to produce potassium iodide. Which statement about potassium iodide is correct?

  • AEach potassium atom shares a pair of electrons with an iodine atom.
  • BIn potassium iodide, the particles of potassium have more protons than electrons.
  • CPotassium iodide has a high melting point because it is a covalent compound.
  • DPotassium iodide has a low melting point because it is an ionic compound.

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