| Property |
Ionic Bonds |
Covalent Bonds |
| State |
crystalline solids |
solids, liquids, gases |
| Melting and Boiling point |
High |
Low |
| Solubility |
Usually dissolves in water but not in non-polar liquids |
Usually soluble in non-polar liquids but not in water |
| Conductivity |
Conducts electricity when melted or dissolved in water. |
Does not conduct electricity. |
| Hardness |
Hard and brittle |
For covalent solids - usually soft |
