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钍
钍下載化學應用程式以查看有關化學元素的更多信息:
| 原子序數 | 90 |
| 族 | IVB |
| 元素周期 | 7 |
| 質量 | 232.03806 |
| 拉丁名 | Thorium |
| 電子組態 | [Rn]6d2 7s2 |
| 氧化態 | 0, 1, 2, 3, 4 |