| 1. | The combining power of one element in the compound must be equal to the combining power of the other element .
化合物中一种元素的化合价必须等于另一元素的化合价。 |
| 2. | The writing of formulas with elements and radicals that have a fixed valence is easy, if a knowledge of electrostatics is applied .
运用静电学知识写出具有固定化合价的元素和原子团组成的物质的分子式比较容易。 |
| 3. | Carbon has a valence of four
碳的化合价是四价 |
| 4. | Test method for valency state of the arsenic component of ammoniacal copper arsenate solutions
氨铜砷酸盐溶液砷化合物化合价状态测试方法 |
| 5. | A set of eight valence electrons in an atom or ion , forming a stable configuration
八重态在一个原子或离子中，形成稳定组态的一组八个化合价电子 |
| 6. | The silicon atom occupies the space opening ( interstice ) between the oxygen atoms and shares four valence electrons with the four oxygen atoms
硅原子占据了氧原子之间的空隙并且和四个氧原子共用化合价。 |
| 7. | The combining capacity of an atom or a radical determined by the number of electrons that it will lose , add , or share when it reacts with other atoms
化合价，原子价原子或原子团与其它原子反映时由所失、增加成共享的电子数目决定的化合能力 |
| 8. | Therefore , some manganese oxides were prepared that the valence of manganese is lower than four . it is expected that the obstacle of mismatched state could be overcome by assembling these manganese oxides used as cathode with mh electrode
因此，我们制备了一些化合价低于4的锰氧化物，以期其能与mh组成电池，以解决充放电态不匹配的问题 |
