You are seeing Ask web results for CAESIUM.
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Caesium - Wikipedia, the free encyclopedia
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This WebElements periodic table page contains Essential information for the element caesium ... Brief description: caesium is known as cesium in the USA.
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Caesium-137 - Wikipedia, the free encyclopedia
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Caesium was discovered by Robert Bunsen and Gustav Kirchhoff (Germany) in 1860. The origin of the name comes from the Latin word caesius meaning sky blue or heavenly blue. It is very soft, light grey, ductile metal.
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Caesium; (also known as Cesium); Cs; ... Caesium reacts very quickly to oxygen. It also reacts very explosively when in contact with water and reacts with ice at temperatures above 116K(5). When caesium reacts with water, hydrogen gas is released and is very flammable as a result of the reaction.
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Caesium is used in the atomic clock. The caesium metal keeps the frequency of the pendulum in the atomic clock constant, so it makes the atomic clock accurate to 5 seconds in 300 years(5). ... Caesium metal can be used in ion propulsion system. 1 kilogram of caesium can propel a vehicle 140 times further than burning any...
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The Element Cesium - Basic Physical and Historical Information ... The Element Cesium; [Click for Isotope Data] ... Atomic Number: 55...
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As the expression indicated, caesium-137, cesium-137, or Cs-137 is one of radioisotopes of caesium with a nominal atomic mass of 137. It is an artificial radionuclide with a half-life of 30 years or so, which was released into the stratosphere by the testing of above ground thermonuclear weapons in the late 1950s and...
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cesium also caesium n. ( Symbol Cs ) A soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the ... Caesium is also used in atomic clocks, which are accurate to seconds over many thousands of years. Since 1967, the International System of Measurements has based its unit...
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