a malleable silvery-white metallic element of the alkaline earth group; the fifth most abundant element in the earth's crust (3.6 per cent), occurring esp as forms of calcium carbonate. It is an essential constituent of bones and teeth and is used as a deoxidizer in steel. Symbol: Ca; ...
Calcium carbonate structure CAS No. 471-34-1 Chemical Name: Calcium carbonate Synonyms pz;LIMESTONE;precipitated calcium carbonate;CALCITE;light calcium carbonate;CHALK;akadama;ARAGONITE;CALCII CARBONAS;nz CBNumber: CB2154602 Molecular Formula:
Calcium is an Element which is Denoted by the Symbol Ca. The Atomic Number of Calcium is 20. Learn about the Important Properties and Uses of Calcium Here.
calciteCalcite, the most common form of natural calcium carbonate (CaCO3). It is a widely distributed mineral known for the beautiful development and great variety of its crystals. Calcium does not occur naturally in the free state, butcompoundsof the element are widely distributed. One calciumco...
Symbol: CaDate of discovery: 1808Name origin: Latin calcisAppearance: silveryDiscoverer: Sir Humphrey DavyObtained from: chalk, limestone, marble Melting point: 1112.15 KBoiling point: 1757.15 KDensity[kg/m3]: 1550Molar volume: 26.20 × 10-6 m3/molProtons/Electrons: 20Neutrons: 20S...
Among the most common calcium minerals are the two crystalline forms of calcium carbonate-calcite and aragonite (CaCO 3 , limestone is primarily calcite), calcium sulfate (the dehydrated form, CaSO4 , is anhydrite; the hydrated form, CaSO4.2H2O, is gypsum), calcium magnesium carbonate (CaMg(CO...
Calcium hydroxide is derived from limestone, which is rich in calcium carbonate, a natural source. The process of converting calcium carbonate to calcium hydroxide involves heating the limestone to produce calcium oxide, which is then combined with water. Calcium hydroxide is considered relatively ...
At 3%, calcium is the fifth most abundant element in the Earth's crust, and the third most abundant metal behind aluminium and iron.[30] It is also the fourth most abundant element in the lunar highlands.[12] Sedimentary calcium carbonate deposits pervade the Earth's surface as fossilized ...
Atomic Symbol: CaAtomic Number: 20Atomic Weight: 40.078(4)Isotopes and Abundances: 40Ca, 96.941(156)%; 42Ca, 0.647(23)%; 43Ca, 0.135(10)%; 44Ca, 2.086(110)%; 48Ca, 0.187(21)%1 Atm Melting Point: 840 °C1 Atm Boiling Point: 1,484 °CCommon Valences: +2Ionic...
Calcium nitriteBarium stearateDL-α-TocopherolGHRP-2Glyceryl monostearate Stearic acidCalcium carbonateCalcium chlorideCalcium oxideMagnesium stearate ALLYL STEARATEDiphenolic acidCalcium carbideCalcium Propionate5-Chlorovaleric acid 4-(Diethylamino)salicylaldehydePotassium stearateButyl stearate...