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Encyclopedia > Chemical symbol

A chemical symbol is an abbreviation or short representation of the name of a chemical element. Natural elements all have symbols of one or two letters; some man-made elements have temporary symbols of three letters. Look up abbreviation in Wiktionary, the free dictionary Abbreviation (from Latin brevis short) is strictly a shortening, but more particularly, an abbreviation is a letter or group of letters, taken from a word or words, and employed to represent them for the sake of brevity. ... A chemical element, often called simply element, is the class of atoms which contain the same number of protons. ...


Chemical symbols are listed in the periodic table and are used as shorthand and in chemical equations, e.g., The periodic table of the chemical elements, also called the Mendeleev periodic table, is a tabular display of the known chemical elements. ... This article needs to be cleaned up to conform to a higher standard of quality. ...

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Because chemical symbols are often derived from the Latin or Greek name of the element, they may not bear much similar to the common English name, e.g., Na for sodium (Latin natrium) and Au for gold (Latin aurum). Latin is the language originally spoken in the region around Rome called Latium. ... The English language is a West Germanic language that originates in England. ... General Name, Symbol, Number sodium, Na, 11 Chemical series alkali metals Group, Period, Block 1, 3, s Appearance silvery white Atomic mass 22. ... General Name, Symbol, Number gold, Au, 79 Chemical series transition metals Group, Period, Block 11, 6, d Appearance metallic yellow Atomic mass 196. ...


In China, each chemical element is assigned an ideograph as its symbol; most of them have been explicitly created for this purpose (see Chinese characters for chemical elements). A chemical element, often called simply element, is the class of atoms which contain the same number of protons. ... 漢字 hànzì, kanji… in Traditional Chinese and other languages. ... Below is a periodic table using Chinese characters as symbols for chemical elements. ...


Chemical symbols may also be changed to show if one particular isotope of an atom that is specified, as well as to show other attributes such as ionization and oxidation state of a chemical compound. Isotopes are forms of a chemical element whose nuclei have the same atomic number, Z, but different atomic masses, A. The word isotope, meaning at the same place, comes from the fact that all isotopes of an element are located at the same place on the periodic table. ... ... The most fundamental reactions in chemistry are the redox processes. ...


For complete listings of the chemical elements and their symbols, see:


  Results from FactBites:
 
Chemical Elements.com - Help (1882 words)
Symbol- Each element is assigned a chemical symbol.
Each element's symbol is composed of a capital letter followed by one or two lowercase letters.
Symbol Origin- When the chemical symbol of an element does not correspond to its name, its symbol origin is given on this periodic table.
Chemical symbol Summary (499 words)
For example, in Etienne Geoffroy's (1672-1731) table of chemical affinities, published in 1718, the astrological symbol for Mars is used to indicate iron (the symbol for the sun, a circle with a dot in the center, is used for gold).
Because chemical symbols are often derived from the Latin or Greek name of the element, they may not bear much similarity to the common English name, e.g., Na for sodium (Latin natrium) and Au for gold (Latin aurum).
Chemical symbols may also be changed to show if one particular isotope of an atom that is specified, as well as to show other attributes such as ionization and oxidation state of a chemical compound.
  More results at FactBites »

 
 

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