Ionic Compound consists of ions.
- Positively charged ions and negatively charged ions are attracted by strong electrostatic force/ionic bond.
Covalent Compound consists of molecules.
- Molecules are attracted by weak intermolecular force/van der Waals force.
Therefore, ionic compound
- has high melting and boiling point
- can conduct electricity in molten state or aqueus solution. WHY?
- has low melting and boiling point
- cannot conduct electricity in all state. WHY?