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Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium.
Calcium | Ca | CID 5460341 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Calcium is the 20th element in the periodic table and has a symbol of Ca and atomic number of 20. It has an atomic weight of 40.078 and a mass number of 40. Calcium has twenty protons and twenty neutrons in its nucleus, and twenty electrons in four shells.
9 Σεπ 2024 · Calcium, one of the alkaline earth metals, chemical symbol Ca, atomic number 20, the most abundant metallic element in the human body.
Calcium. Calcium is a chemical element with symbol Ca and atomic number 20. Classified as a n alkaline earth metal, Calcium is a solid at room temperature.
Calcium is a silvery-white, soft metal that tarnishes rapidly in air and reacts with water. Uses. Calcium metal is used as a reducing agent in preparing other metals such as thorium and uranium. It is also used as an alloying agent for aluminium, beryllium, copper, lead and magnesium alloys.
IUPAC Standard InChIKey:OYPRJOBELJOOCE-UHFFFAOYSA-N Copy. CAS Registry Number: 7440-70-2. Chemical structure: This structure is also available as a 2d Mol file. Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Gas phase thermochemistry data.
