| 6 Results |
|
|
|
|
| Hardness of Solid Substances - Grinding (Movie/Animation, Audio/Visual (9)) |
| A number of metals and nonmetals are ground with a mortar and pestle. The nonmetals shown here are all soft (due to weak intermolecular forces), but the metals vary in hardness. |
|
|
|
| Nonmetals (Movie/Animation, Audio/Visual (5)) |
| Nonmetals are ignited under various conditions. |
|
| Nonmetals (Movie/Animation, Audio/Visual (4)) |
| Other flames and explosions involving nonmetals are demonstrated. |
|