| 1. | The electron is not very tied to the atom .
电子受原子的约束不那么紧。 |
| 2. | Every carbon atom has four bonds .
每个碳原子的价键为四。 |
| 3. | These atoms have the simplest energy level schemes .
这些原子的能级图最为简单。 |
| 4. | An atom is stripped of all electrons by ionization .
电离可剥掉一个原子的全部电子。 |
| 5. | An electron from one of the atom shells is ejected .
电子从原子的某一壳层中被弹射出来。 |
| 6. | The valence atom of an alkali-metal atom has two states .
碱金属原子的价原子具有两种能态。 |
| 7. | It is wonderful that they did guess at atomic structure .
可惊的是他们居然猜测到了原子的结构。 |
| 8. | The magnetic field of an atom is usually dominated by the electrons .
原子的磁场通常由电子决定。 |
| 9. | Other series spectra for hydrogen have since been discovered .
此后又发现了氢原子的其他光谱线系。 |
| 10. | We may characterize an atomic state by a quantum number l .
我们可以用量子数L描写一个原子的状态。 |
