Çalsiyum
Çalsiyum is a chemical element with the symbol Ca and atomic number 20. It is a soft, gray alkaline earth metal that is highly reactive. In its pure form, it is rarely found in nature due to its reactivity. However, it is the fifth most abundant element in the Earth's crust and is found in various compounds such as limestone, gypsum, and marble.
Çalsiyum plays a crucial role in biological systems. It is an essential mineral for many life forms,
Industrially, çalsiyum compounds have numerous applications. Limestone, a form of calcium carbonate, is used in construction,