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.