CH-1204
Structure and properties
Chemistry · Secondary 4 · Medium · Structure and properties
Which statement explains why potassium fluoride has a lower melting point than calcium oxide?
- The attraction between K⁺ and F⁻ is weaker than that between Ca²⁺ and O²⁻.
- Potassium metal is more reactive than calcium metal.
- The bonding in potassium fluoride is covalent while it is ionic in calcium oxide.
- The boiling point of potassium fluoride is higher than that of calcium oxide.
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