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Niobium Nb
Where is niobium used--or where does it impact our everyday lives?
Niobium symbol: Nb
Atomic number: 41 Atomic Mass: 92.91
Transition metal Period 5
Melting point 2477 oC (4490.6 oF)
Boiling point 4744 oC (8571.2 oF)
No reaction with air (oxygen)
No reaction with water
Electron configuration [Kr] 5s1 4d4
Source: LANL.gov
Researcher: Nico Z
Niobium is used for the surface of self-cleaning ovens. The material has to withstand high temperatures of 500 degrees C and contains a mixture of metals including niobium acting as a catalyst for the oxidation of food deposits when heated.
Samarskite (YCeFeU)3(NbTiTa)5O16 Webb mine, Yancy County, North Carolina, USA viewed during a Chemistry One field trip to the National Museum of Natural History in Washington, DC, USA
WIS Photographer
Aeschynite YCaFeTh(TiNb)2(O,OH)6 from Iveland, Setesdal, Norway
viewed during a Chemistry One field trip to the National Museum of Natural History in Washington, DC, USA
WIS Photographer
Stainless steel car exhaust systems contain niobium
Niobium is used in high-temperaure alloys in the combustion chambers of jet engines. The superalloys contain niobiun, tantalum, tungsten or molybdenum.
The Pratt and Whitney jet engine in the image is one from the F-35 on display at the National Air and Space Museum, Steven F. Udvar-Hazy Center, Chantilly, Virginia, USA
WIS Photographer
