Radium salts have been used as radiation sources in the treatment of cancer but are gradually being replaced in such therapy by cobalt and cesium. Below are the 17 Creative Cesium slogans for chemistry assignments, science projects & project presentations. Its symbol is Cs. The price of cesium compounds is much lower. Cesium (Cs), also spelled caesium, chemical element of Group 1 (also called Group Ia) of the periodic table, the alkali metal group, and the first element to be discovered spectroscopically (1860), by German scientists Robert Bunsen and Gustav Kirchhoff, who named it for the unique blue lines of its spectrum (Latin caesius, “sky-blue”). The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Tiny quantities of cesium chloride are found in mineral springs and in seawater. Medical Uses of Cesium - Health and TreatmentsInteresting information on the Medical Uses of Cesium, Health and Treatments. Here is … History. Cesium is a chemical element with symbol Cs and atomic number 55. This element is a solid. Sources. Cesium or caesium is a metal with the element symbol Cs and atomic number 55. STP Occurrence Description 1 Hydrogen H 1 1 s Gas Primordial ... Caesium Cs 1 6 s Solid Primordial Alkali metal 56 Barium Ba 2 6 s Solid Primordial Alkaline earth metal 57 Lanthanum La 3 6 f Solid Primordial The isotope Cs-137 is used in cancer treatments, to irradiate foods, and as a tracer for drilling fluids in the petroleum industry. Caesium (Cs), also known as Cesium, is used in photoelectric cells, vacuum tubes, scintillation counters, spectrophotometers, atomic clocks (caesium clocks), and photomultiplier tubes. Our cesium page has over 290 facts that span 97 different quantities. Caesium (cesium in USA) metal reacts rapidly with water to form a colourless solution of caesium hydroxide (CsOH) and hydrogen gas (H 2). Origin / Meaning of the name CesiumThe word Caesium originates from the Latin word 'caesius' which means "sky blue" from the bright blue lines in its spectrum. Our Periodic Table is simple to use - just click on the symbol for Cesium as on the Periodic Table for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element. However, it can be made radioactive in the laboratory. 1. Medical Definition of cesium : a silver-white soft ductile element of the alkali metal group that is the most electropositive element known and that is used especially in photoelectric cells —symbol Cs — see Chemical Elements Table Cesium (chemical symbol: Cs) Cesium (Fig. the alkali metal. This chemical element is distinctive for several reasons. 1) is a rare, silvery-gold, soft, ductile alkali metal that is the softest of all metals in the period table, with a wax-like consistency at room temperature. List of elements Atomic Number Name Symbo Group Period Number Block State at. It was the first element discovered by spectrum analysis. 2. Caesium has chemical and physical properties that resemble those of potassium and rubidium. They can also be used for Cesium advertisement and marketing. (adsbygoogle = window.adsbygoogle || []).push({}); What is Cesium? The symbol is constructed from a Symbol Identification Code, SIDC (sfgpewrh–mt in the image above), that provides i… This refers to the color of the line in the spectrum the chemists saw that tipped them off about the new element. She has taught science courses at the high school, college, and graduate levels. gas, solid or liquid. Abundances of the element in different environments% in Universe 8×10-8% % in Sun 8×10-7% % in Meteorites 0.000014% % in Earth's Crust 0.00019% % in Oceans 5×10-8% % in Humans 2×10-6%. Cesium binds strongly to soil and concrete, but does not travel very far below the surface. Cesium Cesium is a chemical element with symbol Cs and atomic number 55. Caesium atoms have 55 electrons and the shell structure is 2.8.18.18.8.1. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Robert Wilhelm BunsenRobert Wilhelm Bunsen (1811-1899) invented many lecture-room and laboratory appliances, most famously the Bunsen burner. It is a soft, gold-colored metal that is quickly attacked by air and reacts explosively in water. Calcium metal may be combined with fused cesium chloride or electric current may be passed through a molten cesium compound. Cesium bromide (CsBr) Cesium chloride (CsCl) Cesium fluoride (CsF) Cesium hydride (CsH) Cesium iodide (CsI) Cesium oxide (Cs 2 O ) Cesium selenide (Cs 2 Se ) Cesium sulphide (Cs 2 S) Cesium telluride (Cs 2 Te ) Interesting facts: It is soft and ductile. A year earlier, Bunsen and Kirchhoff had developed the spectroscope. Density: 1.086 ounces per cubic inch (1.879 grams per cubic centimeter) 5. 3. Atomic number (number of protons in the nucleus): 55 2. 4. Because Cs-137 bonds with chlorides to make a crystalline powder, it reacts in the environment like table salt (sodium chloride): 1. Obtaining pure cesium is difficult since cesium ores are frequently contaminated with rubidium, an element that is chemically similar to cesium. Learn about what is Cesium with these fast facts...These articles contain facts and information relating to Cesium and each of the other elements including the Periodic Symbol,  group, classification, properties and atomic number which is often referred to as the Periodic Table Number. Cesium is estimated to be present at an abundance of 1 to 3 parts per million in the Earth's crust, which is a fairly average abundance for a chemical element. Its melting point is low (28 °C). Cesium is a relatively rare element and averages approximately 3 parts per million in the Earth’s crust (Turekian and Wedepohl, 1961, p. 187). German chemists Robert Bunsen and Gustav Kirchhoff discovered cesium in 1860 when analyzing the spectrum of mineral water. The name for the element comes from the Latin word "caesius", which means "sky blue". Indium Facts: Symbol In or Atomic Number 49, Tantalum Facts (Atomic Number 73 and Element Symbol Ta), Chemical & Physical Properties of the Element Hafnium, Silver Facts (Atomic Number 47 and Element Symbol Ag), Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. milsymbol is a JavaScript library for creating military unit symbols, described in standard documents such as MIL-STD-2525 for the USA and STANAG APP6 for NATO, that are used to provide information about a piece of military equipment or unit. This list contains the 118 elements of chemistry. It is a soft, silvery-gold alkali metal with a melting point of 28 °C (82 °F), which makes it one of only five elemental metals that are liquid at or near room temperature. Name: Cesium Symbol: Cs Atomic Number: 55 Atomic Mass: 132.90546 amu Melting Point: 28.5 °C (301.65 K, 83.3 °F) Boiling Point: 678.4 °C (951.55005 K, 1253.12 °F) Number of Protons/Electrons: 55 Number of Neutrons: 78 Classification: Alkali Metal Crystal Structure: Cubic Density @ 293 K: 1.873 g/cm 3 Color: silver British Spelling: Caesium Another rich source of pollucite is the Karibib Desert in Namibia. Definition of the Cesium ElementA soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells and to catalyze hydrogenation of some organic compounds. It has similarities … Cesium, an alkali metal, occurs in lepidolite, pollucte (a hydrated silicate of aluminum and cesium), and in other sources. What is Cesium? The other elements contained in this classification are as follows: What is Cesium - IUPAC and the Modern Standardised Periodic TableThe Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 and now recognises more periods and elements than Dimitri  Mendeleev knew in his day in his day but still all fitting into his concept of  the "Periodic Table" in which Cesium is just one element that can be found. Tiny quantities of cesium chloride are found in mineral springs and in seawater. He also invented the spectroscope and with it discovered rubidium and caesium; greatly perfected methods of electrolysis, inventing a new battery; made many investigations among metallic and organic substances. What is Cesium? First, the ore is sorted by hand. This chemical element is distinctive for several reasons. Cesium moves easily through the air. Radioactive cesium presents a health hazard because of the radioactivity, not chemistry. Other elements classified as Alkali MetalsAlkali metals are soft, malleable, ductile, and are good conductors of heat and electricity. Caesium is an alkali metal. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure.The chemical symbol for Caesium is Cs. 6s1 and the term symbol of caesium is 2S1/2. Samples of cesium are kept in sealed containers, under an inert liquid or gas or in a vacuum. The elements of the periodic table sorted by symbol. Periodic Table Group and Classification of the Cesium ElementElements can be classified based on their physical states (States of Matter) e.g. The only other metals in a liquid form at/ around room temperature are mercury and gallium. Chemistry students will also find a helpful section on Chemical Formulas. In its natural state, cesium is not radioactive. Alkali metals are soft, malleable, ductile, and are good conductors of heat and electricity. As of 2009, the price of 99.8% pure cesium metal was around $10 per gram or $280 per ounce. Each element has a one- or two-letter symbol, which is an abbreviated form of its present or former name.The element number is its atomic number, which is the number of protons in each of its atoms. Chemical Symbol for Caesium. It is readily drawn into fine wires. One of the richest sources of pollucite, an ore that contains cesium, is the Tanco Mine at Bernic Lake in Manitoba, Canada. Discovered by: Gustav Robert Kirchhoff (1824-1887), a German physicist, and Robert Wilhelm Bunsen (1811-1899), a German chemist. This is a list of elements by atomic number with symbol. Associated Uses of CesiumAtomic clocksRemoves air traces in vacuum tubesIon propulsion systemsMedicalPhotoelectric cellsCesium vaporMagnetometer. Cesium dissolves easily in water. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Cesium definition, a rare, highly reactive, soft, metallic element of the alkali metal group, used chiefly in photoelectric cells. Caesium oxide, consists of caesium and oxygen, is exploited in devices like vacuum … Cesium is classified as an "Alkali Metal" and located in Group 1 elements of the Periodic Table. In every spectrum they looked at, Bunsen and Kirchhoff found colore… Nonradioactive cesium and its compounds are used for infrared flares, to make specialty glasses, and in beer brewing. Some radioisotopes are produced in nature by slow neutron capture within old stars or by the R-process in supernovae. What is Cesium / Caesium? Cesium or caesium is a metal with the element symbol Cs and atomic number 55. Chemical-Element Information Symbol: Cs Atomic number: 55 Year discovered: 1860. Cesium is used in atomic clocks, photoelectric cells, as a catalyst to hydrogenate organic compounds, and as a 'getter' in vacuum tubes. As I have stated before, Cesium is included in alkali metal group. Element Caesium (Cs), Group 1, Atomic Number 55, s-block, Mass 132.905. Atomic weight (average mass of the atom): 132.90 4. Cesium as on the Periodic TableCheck out Cesium on the Periodic Table which arranges each chemical element according to its atomic number, as based on the Periodic Law, so that chemical elements with similar properties are in the same column. In addition, Caesium is employed as an industrial gamma-ray source. The Atomic Number of this element is 55 and the Element Symbol is Cs. The Properties of the Cesium Element Symbol of Element : Cs The Atomic Number of this element is 55 and the Element Symbol is Cs. click on any element's name for further chemical properties, environmental data or health effects.. Test your knowledge of chemistry and the Periodic Table by completing the Element Symbols and Atomic Numbers on our Blank Periodic Table. An Element classified as an Alkali Metal is a very reactive metal that does not occur freely in nature. Phase at room temperature: solid 6. If caesium is burned in air, the result is mainly formation of orange caesium superoxide, CsO 2. - Element Properties and Periodic Table Info. From the Latin word caesius, sky blue.Cesium was discovered spectroscopically in 1860 by Bunsen and Kirchhoff in mineral water from Durkheim. Areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature. The ground state electronic configuration of neutral caesium is [ Xe ]. click on any element's name for further information on chemical properties, environmental data or health effects.. This list contains the 118 elements of chemistry. Caesium is a chemical element with atomic number 55 which means there are 55 protons in its nucleus. Number of natural isotopes (atoms of the same ele… Here is a collection of cesium element facts and atomic data: Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. Caesium or cesium is a chemical element with symbol Cs and atomic number 55. Chemical elements listed by ionization energy The elements of the periodic table sorted by ionization energy. Spelling of the ElementCesium is spelt as Caesium in the UK. It is 45th in order of abundance of all elements … The library is licensed under an MIT license so you can modify it in any way you want and choose whether or not you want to share your modifications. The reaction with water is much more violent and energetic than the reaction between water and other alkali metals (e.g.. Cesium is a soft, ductile metal. Non-radioactive cesium is not a nutritional requirement for plants or animals, but it's not particularly toxic, either. Melting point: 83.1 degrees Fahrenheit (28.4 degrees Celsius) 7. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals. One of the world's richest sources of cesium is located at Bernic Lake, Manitoba. Cs(s) + O 2 (g) → CsO 2 (s) Reaction of caesium with water. Chemical elements listed by symbol The elements of the periodic table sorted by symbol. What is Cesium? Cesium was the first element discovered using a spectroscope. Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature. Classified as a n alkali metal, Cesium is a solid at room temperature. It was discovered by Robert Bunsen and Gustav Kirchhoff in 1860 in Heidelberg, Germany, when they analyzed the spectrum of mineral water. Otherwise, the element would react with air or water. It can be also used in thermionic power converters. The Elements are the building blocks of Modern Science & Chemistry, What is Cesium - Information - Chemistry - Periodic Table - Element - Info - Uses - What is Cesuim - Cecium - Caesium - Atomic Number - Atomic Weight -  Mass - Online - Science - Quiz - What is Cesium - Information - Facts - Use - Chemical - Properties - Fact - Density - Radioactive - History - Cesium - Liquid - Gas - Solid - Chemical - Melting Point - Boiling Point - Metal - Hallogen - Noble - Rare Earth - What is Cesium - Information - Chemistry - Periodic Table - Element - Info - Uses - What is Cesuim - Cecium - Caesium - Atomic Number - Atomic Weight -  Mass - Online - Science - Quiz - What is Cesium - Information - Facts - Use - Chemical - Properties - Fact - Density - Radioactive - History - Cesium - Liquid - Gas - Solid - Chemical - Melting Point - Boiling Point - Metal - Hallogen - Noble - Rare Earth - What is Cesium - Chemistry - Chemical - Substance - Compound - Part - Building block - Component - Factor - Module - Constituent - Molecule - Atom - Physical property - Elementary Substance - Isotope - Elment - Elemant - Symbol - Written By Linda Alchin. Here's a list of the chemical elements ordered by increasing atomic number.The names and element symbols are provided. To obtain pure cesium, cesium and rubidium ores are crushed and heated with sodium metal to 650°C, forming an alloy that can then be separated with a process known as fractional distillation. Numerous artificial radioactive isotopes have been produced. Occurrence of the Cesium ElementCesium is found in the mineral pollux, or pollucite, which occurs on the island of Elba, in South Africa, in the United States in Maine and South Dakota, and in Manitoba, Canada. Boiling point: 1,239.8 F (671 C) 8. Caesium carbonate, a compound with the formula Cs2CO3, is used in organic synthesis as well as in energy conversion. Caesium (or cesium) is the chemical element with the atomic number 55 on the periodic table. Although the official IUPAC name for the element is cesium, several countries, including England, retain the original Latin spelling of the element: caesium. There are two methods used to prepare pure cesium. Caesium (atomic number 55, symbols Cs) is a an alkali metal with a silvery-gold color and the only liquid metal from the group of elemental metals, which is liquid near or at room temperature. Cesium reacts explosively with cold water, and reacts with ice at temperatures above -116°C. Each entry has a full citation identifying its source. Only one stable isotope of cesium occurs naturally — cesium-133. It is the least abundant of the five non-radioactive alkali metals. Either spelling is correct. Cesium is an element. Facts about the History of the Discovery of Cesium ElementCesium was discovered by Fustov Kirchoff and Robert Bunsen in 1860 from mineral water found in Dürkheim, Germany. The device was based on a prism which separated light from a flame into a rainbow of colors. 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