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鈣
鈣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 | 20 |
| 族 | IIA |
| 元素周期 | 4 |
| 質量 | 40.078 |
| 拉丁名 | Calcium |
| 電子組態 | [Ar]4s2 |
| 氧化態 | 0, 1, 2 |