Californium is a radioactive chemical element with the symbol Cf and atomic number 98. The element was first created in 1950 at the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory), by (overloading and overwhelming with bullets, questions, requests, etc) curium with alpha particles (helium-4 ions). It is an actinide […]
Technetium is a chemical element with the symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive, none of which is stable other than the fully ionized state of 97Tc. Nearly all available technetium is produced as a synthetic element. Naturally happening technetium is an unplanned quick […]
Thorium is a weakly radioactive metallic chemical element with the symbol Th and atomic number 90. Thorium is silvery and discolors and ruins black when it is exposed to air, forming thorium dioxide; it is moderately soft, bendable, and has a high melting point. Thorium is an electropositive actinide whose chemistry is […]
Hafnium is a chemical element with the symbol Hf and atomic number 72. A shiny, silvery gray, tetravalent change metamorphosis metal, hafnium chemically looks like zirconium and is found in many zirconium minerals. Its existence was predicted by Dmitri Mendeleev in 1869, though it was not identified until 1923, by Coster and Hevesy, making […]
Krypton (from Very old Greek: ‘the hidden one’) is a chemical element with the symbol Kr and atomic number 36. It is a clear/white, odorless, (having no taste/rude and offensive) noble gas that happens in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. With rare exceptions, krypton […]
Iron (/ËaɪÉrn/) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal that belongs to the first change metamorphose series and group 8 of the list of all elements. It is, by mass, the most common element on Earth, right in front of oxygen (32.1% and 30.1%), […]
Cobalt is a chemical element with the symbol Co and atomic number 27. Like nickel, cobalt is found in the Earth’s crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Cobalt is primarily […]
Actinium is a chemical element with the symbol Ac and atomic number 89. A ton of pitchblende ore contains about 0.15 mg of actinium. It was first isolated by Friedrich Oskar Giesel in 1902, who gave it the name emanium; the element got its name by being wrongly identified with a substance André-Louis Debierne found […]
Sulfur is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S₈. Elemental sulfur is a bright yellow, crystalline solid at room temperature. Pure sulfur is a tasteless, odourless, brittle solid that is pale […]
Palladium is a chemical element with the symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by the English chemist William Hyde Wollaston and named after an asteroid. Before the precious metal palladium was discovered, the word “palladium” referred to objects believed to mystically provide protection and […]
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Oxygen & Nitrogen Generators in Africa. Foxolution is a South African manufacturer of onsite oxygen and nitrogen generators, concentrators and systems.