cesium meaning
Cesium Facts
Cesium or caesium is an alkali metal with atomic number 55 and element symbol Cs. Cesium or caesium is a shiny, pale gold metal with element symbol Cs and atomic number 55. Cesium is the softest metal that is a solid at room temperature. It becomes a liquid element at 28.5 °C or 83.3 °F. Like gallium, it is a metal you can melt in …
CESIUM definition in American English
a soft, silver-white, ductile, metallic chemical element, one of the alkali metals and the most electropositive of all the elements: it ignites in air, reacts vigorously with water, and is used in photoelectric cells: symbol, Cs; at. no., 55: a radioactive isotope with a
Caesium
Caesium is a chemical element with an atomic number of 55 in the periodic table of elements. It''s the 45th most abundant element in Earth''s crust. Being a member of the alkali metals family of periodic table elements, caesium has been classified as one of the incompatible elements. Caesium has eight valence electrons that make this element ...
Cesium Definition & Meaning | YourDictionary
Cesium definition: A soft, silvery-white ductile, metallic element that is the most electropositive and alkaline of the elements and is used in atomic clocks and photoelectric cells and to catalyze hydrogenation of some organic compounds. The fundamental unit of ...
caesium | meaning of caesium in Longman Dictionary of …
caesium. From Longman Dictionary of Contemporary English Related topics: Elements cae‧si‧um British English, cesium American English / ˈsiːziəm/ noun [ uncountable] a soft silver-white metal that is used in photoelectric cell s. It is a chemical element: symbol Cs Examples from the Corpus caesium • It had a caesium 137 concentration of ...
Caesium
OverviewNotesCharacteristicsProductionHistoryApplicationsHealth and safety hazardsSee also
1. ^ Caesium is the spelling recommended by the International Union of Pure and Applied Chemistry (IUPAC). The American Chemical Society (ACS) has used the spelling cesium since 1921, following Webster''s New International Dictionary. The element was named after the Latin word caesius, meaning "bluish grey". In medieval and early modern writings caesius was spelled with the ligature æ as cæsius; hence, an alternative but now old-fashioned orthography is cæsium…
C&EN: IT''S ELEMENTAL: THE PERIODIC TABLE
Cesium was the first element to be discovered using spectroscopic means by Robert W. Bunsen and Gustav R. Kirchhoff in 1860, the year after they invented the spectroscope. Cesium, from the Latin caesius, meaning heavenly blue, was named after the color of the most prominent line in its spectrum ( = 455.5 nm).
CAESIUM Definition & Meaning | Dictionary
Caesium definition: a ductile silvery-white element of the alkali metal group that is the most electropositive metal. It occurs in pollucite and lepidolite and is used in photocells. The radioisotope caesium-137, with a half-life of 30.2 years, is used in radiotherapy.
cesium noun
Definition of cesium noun in Oxford Advanced Learner''s Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Questions about grammar and vocabulary? Find the answers with Practical English Usage online, your indispensable guide to problems in English.
Cesium
Cesium. Figure 1. Cesium, with atomic number 55 and atomic weight of 132.905. [1] Cesium is the 55 th element on the periodic table of elements. Cesium is the standard for atomic clocks, and actually provides the definition for the second! Some of its properties are listed below: [2] Atomic weight. 132.90545196.
Cesium (Cs)
Cesium. Element 55 of Periodic table is Cesium with atomic number 55, atomic weight 132.90545. Cesium, symbol Cs, has a Body Centered Cubic structure and Silver color. Cesium is a Alkali Metal element. It is part of group 1 (lithium family). Know everything about Cesium Facts, Physical Properties, Chemical Properties, Electronic configuration ...
Caesium-137
Caesium-137 ( 137. 55Cs. ), cesium-137 (US), [7] or radiocaesium, is a radioactive isotope of caesium that is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons. Trace quantities also originate from spontaneous fission of uranium-238.
Cesium: Atomic Number 55
Cesium Element Facts Gold is often listed as the only yellow-colored element. This is not exactly true. Cesium metal is silvery-gold. It is not as yellow as high-karat gold but has a warm color Although not a liquid at room temperature, if you hold a vial containing cesium in your hand, your body heat will melt the element into its liquid form, …
Cesium Meaning In Kannada
Cesium meaning in Kannada - Learn actual meaning of Cesium with simple examples & definitions. Also you will learn Antonyms, synonyms & best example sentences. This dictionary also provide you 10 languages so you can find meaning of Cesium in Hindi, Tamil, Telugu, Bengali, Kannada, Marathi, Malayalam, Gujarati, Punjabi, Urdu.
Cesium (Cs) Element: Properties, Reactions, Uses, Effects
Cesium is a soft metal with a silvery-golden luster. It has a boiling point of 671 °C ( 1240 °F) and a melting point of 28.5 °C (83.3 °F), which makes it liquid at room temperature. Cesium is one of the least dense metals. The density of cesium at room temperature is 1.93 g/cm 3 and its liquid form density is 1.843 g/cm 3.
What is Cesium?
Caesium is a soft alkali metal that is silvery-gold. It melts and liquefies at 83 degrees Fahrenheit and is one of only five metals that are liquid close to room temperature. Caesium is a metal that is most widely known for its use in atomic clocks. Cesium comes from the Latin word caesius meaning "Ëœbluish-gray''.
The Spontaneous Element Cesium | Periodic Table | ChemTalk
The name cesium comes from the Latin word "caesium", which means "sky blue". The element cesium is the most electropositive and alkaline element on the periodic table. Only two other metals, in addition to cesium, are liquid at or near room temperature and .
Cesium | Cs (Element)
Cesium, an alkali metal, occurs in lepidolite, pollucte (a hydrated silicate of aluminum and cesium), and in other sources. One of the world''s richest sources of cesium is located at Bernic Lake, Manitoba. The deposits are estimated to contain 300,000 tons of pollucite, averaging 20% cesium.
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