Summary of bonding and properties
| Ionic lattice | Discrete covalent molecules | |
| Boiling and melting points | High | Low |
| State at room temperature | Solid | Liquid or gas |
| Conduction of electricity | Only when molten or in solution | Never |
| Boiling and melting points | |
| Ionic lattice | High |
| Discrete covalent molecules | Low |
| State at room temperature | |
| Ionic lattice | Solid |
| Discrete covalent molecules | Liquid or gas |
| Conduction of electricity | |
| Ionic lattice | Only when molten or in solution |
| Discrete covalent molecules | Never |