| Metals | Non-metals |
| 1. Metals are good conductors of heat and electricity. | 1. Non-metals are poor conductors of heat and electricity. |
| 2. Metals are solids at room temperature except for mercury. | 2. Non-metals exists in all three states. |
| 3. Metals are lustrous, (shiny) | 3. Non-metals are not lustrous, (dull appearance) except graphite. |
| 4. Metals are malleable (can be hammered into sheets) | 4. Non-metals are brittle, not malleable. |
| 5. Metals are ductile, can be drawn into wire. | 5. Non-metals are not ductile. |
| 6. Metals are very hard and strong. | 6. Non-metals are brittle, will break down into pieces except diamond. |
