![]() |
| |||
| phosphorus (phosphorus) | |||
| phosphorus A nonmetallic element used to manufacture phosphoric acid, in phosphor bronzes, incendiaries, pyrotechnics, matches, and rat poisons; the white or yellow allotrope is a soft waxy solid, soluble in carbon disulfide, insoluble in water and alcohol, and is poisonous and self-igniting in air; the red allotrope is an amorphous powder, insoluble in all solvents and is nonpoisonous; the black allotrope comprises lustrous crystals similar to graphite, and is insoluble in most solvents | |||
| phosphorus | |||
|
fosfor : 28 短语, 5 学科 |
| 冶金 | 7 |
| 化学 | 7 |
| 环境 | 4 |
| 电子产品 | 7 |
| 自然科学 | 3 |