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Vor einem Tag · Sodium hydride is used as a base for various reactions (such as the aldol reaction) in organic chemistry. Metallic sodium is used mainly for the production of sodium borohydride, sodium azide, indigo, and triphenylphosphine.
- silvery white metallic
- group 1: hydrogen and alkali metals
- 11
- period 3
Vor einem Tag · Stainless steel, also known as inox, corrosion-resistant steel ( CRES) and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains iron with chromium and other elements such as molybdenum, carbon, nickel and nitrogen depending on its specific use and cost. Stainless steel's resistance to corrosion results ...
Vor 5 Stunden · Goodyear F2G Corsair. The Vought F4U Corsair is an American fighter aircraft that saw service primarily in World War II and the Korean War. Designed and initially manufactured by Chance Vought, the Corsair was soon in great demand; additional production contracts were given to Goodyear, whose Corsairs were designated FG, and Brewster ...
Vor einem Tag · Etymology Firenze comes from Florentiae, locative form of Florentia, in turn a name conveying good luck, from Latin: florēre, lit. 'to blossom'. History Main article: History of Florence For a chronological guide, see Timeline of Florence. Timeline of Florence Historical affiliations Roman Republic, 59–27 BC Roman Empire, 27 BC–AD 285 Western Roman Empire, 285–476 Kingdom of Odoacer ...
Vor 5 Stunden · Theria. Marsupialia. Placentalia. A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia ( / məˈmeɪli.ə / ). Mammals are characterized by the presence of milk-producing mammary glands for feeding their young, a neocortex region of the brain, fur or hair, and three middle ear bones.
Vor einem Tag · Apple Logo d'Apple. Apple Park , siège social d'Apple à Cupertino en Californie . Création 1 er avril 1976 Fondateurs Steve Wozniak , Ronald Wayne , et Steve Jobs Forme juridique Corporation (d) et société anonyme avec appel public à l'épargne Action NASDAQ (AAPL) et bourse de Tokyo (6689) Slogan Think different Siège social Cupertino , Californie États-Unis Direction Tim Cook (depuis ...
Vor einem Tag · The Beatles. The Beatles (im Deutschen auch Die Beatles) war eine aus Liverpool stammende britische Beat-, Rock- und Pop - Band in den 1960er Jahren, bestehend aus John Lennon (1940–1980), Paul McCartney (* 1942), George Harrison (1943–2001) und Ringo Starr (* 1940). Mit mehr als 600 Millionen [1] – nach Schätzungen ihrer Plattenfirma ...
