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氦
氦下载化学应用程序以查看有关化学元素的更多信息:
| 原子序数 | 2 |
| 族 | VIIIA |
| 元素周期 | 1 |
| 质量 | 4.002602 |
| 拉丁名 | Helium |
| 电子排布 | 1s2 |
| 氧化态 | 0 |