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Principal alloying element UNS numbers Copper alloys, brass: Zinc (Zn) C1xxxx–C4xxxx,C66400–C69800 Phosphor bronze: Tin (Sn) C5xxxx Aluminium bronzes: Aluminium (Al) C60600–C64200 Silicon bronzes: Silicon (Si) C64700–C66100 Cupronickel, nickel silvers: Nickel (Ni) C7xxxx
The principal sources of rare-earth elements are the minerals bastnäsite (RCO 3 F, where R is a mixture of rare-earth elements), monazite (XPO 4, where X is a mixture of rare-earth elements and sometimes thorium), and loparite ((Ce,Na,Ca)(Ti,Nb)O 3), and the lateritic ion-adsorption clays.
Uranium is a naturally occurring element found in low levels in all rock, soil, and water. It is the highest-numbered element found naturally in significant quantities on Earth and is almost always found combined with other elements. [12] Uranium is the 48th most abundant element in the Earth’s crust. [60]
Plutonium is an element in which the 5f electrons are the transition border between delocalized and localized; it is therefore considered one of the most complex elements. [46] The anomalous behavior of plutonium is caused by its electronic structure.
Ar is the reason the standard atomic weight of terrestrial argon is greater than that of the next element, potassium, a fact that was puzzling when argon was discovered. Mendeleev positioned the elements on his periodic table in order of atomic weight, but the inertness of argon suggested a placement before the reactive alkali metal.
Ice is water that is frozen into a solid state, typically forming at or below temperatures of 0 °C, 32 °F, or 273.15 K.It occurs naturally on Earth, on other planets, in Oort cloud objects, and as interstellar ice.
The 1920s-inspired metropolis is described as "if Manhattan had happened in Asia" by the series' creators, [7] and its residents are united by their passion for "pro-bending", a spectator sport in which two teams composed of an earthbender, waterbender, and firebender throw each other out of a ring using bending techniques.
James Bond is a fictional character created by British novelist Ian Fleming in 1953. A British secret agent working for MI6 under the codename 007, Bond has been portrayed on film in twenty-seven productions by actors Sean Connery, David Niven, George Lazenby, Roger Moore, Timothy Dalton, Pierce Brosnan, and Daniel Craig.