Calcium Metal
Bildnummer 12635901
| Calcium metal. Calcium is essential for living organisms, particularly in cell physiology where movement of the calcium ion into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bone, teeth and shells, calcium is the most abundant metal by mass in many animals. Calcium is reactive and relatively soft for a metal. Although harder than lead, it can be cut with a knife with difficulty. It is a silvery metallic element that can be extracted by electrolysis from a fused salt like calcium chloride. When exposed to the air, it rapidly forms a grey-white coating of calcium oxide and calcium nitride. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Winters, Charles D. |
| Bildgröße: | 3372 px × 3718 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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