Калцион
Кальций - арвын зурһадгеч хем махбуд Менделеевин эвед.
| Ca | 20 |
| 40,078 | |
| [Ar]4s2 | |
| Кальций | |
 | Эн зүүл белдлһн. Та төслд эн халхиг өргҗүләд дөң өгҗ чаднат. |
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