Chemistry

Valence Electron Definition Valence electron is an electron in one of the outer shells of an atom that can participate in forming chemical bonds with…

Chalcanthite Definition Chalcanthite is a secondary mineral, which is natural, water-soluble copper sulphate (CuSO4·5H2O) and that is formed in arid climates or in rapidly oxidizing…

Potassium Carbonate Defintion Potassium carbonate (K2CO3) is a transparent, white, deliquescent, granular powder used in making soaps. It is also called potash. It can be…

Thenardite Definition Thenardite is a whitish vitreous mineral that consists of anhydrous sodium sulphate (Na2SO4) and occurs in saline residues. It is similar to Mirabilite,…

Bromine Definition Bromine is a reddish-brown volatile element of the halogen group found in compounds occurring in ocean water. It is a chemical element with…

Arsenic Definition Arsenic is a metalloid element most commonly occurring as a gray crystal, but also found as a yellow crystal and in other forms.…

Sodium Sulfate Definition Sodium sulfate is a white crystalline compound used as a mild natural laxative and in larger doses as a hydragogue cathartic. Its…

Sodium Silicate Definition Sodium silicate is a white amorphous (without crystalline structure) solid with the physical properties listed above. Other forms of sodium silicate range…

Magnesium Oxide Definition Magnesium oxide is the oxide salt of magnesium with antacid, laxative and vascular smooth muscle relaxant activities. It is an inorganic compound…

Magnesium Carbonate Definition Magnesium carbonate (MgCO3) is a white or brown crystalline solid or crystalline powdery compound that occurs naturally as dolomite and magnesite and…

Oil Sands A mixture of sand or clay, water and extremely viscous petroleum called bitumen. Often referred to as unconventional oil. Oil sands are a…

Magnesium Chloride Definition Magnesium chloride is a chemical element and its atomic number 12, atomic weight 24.312, symbol Mg. It is an inorganic salt (compound)…