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[mănǵgə-nēź, -nēś]
(n.)A gray-white or silvery brittle metallic element, occurring in several allotropic forms, found worldwide, especially in the ores pyrolusite and rhodochrosite and in nodules on the ocean floor. It is alloyed with steel to increase strength, hardness, wear resistance, and other properties and with…
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Manganese - Wikipedia, the free encyclopedia
Manganese (pronounced /ˈmæŋɡəniːz/ , MANG -gən-neez ) is a chemical element, designated by the symbol Mn . It has the atomic number 25. It is found as a free element in nature (often...
en.wikipedia.org/wiki/Manganese
Manganese is a trace element and eating a small amount from food or water is needed to stay healthy. Exposure to excess levels of manganese may occur from breathing air, particularly where manganese is used in manufacturing, and from drinking water and eating food. ... What happens to manganese when it enters the environment?
www.atsdr.cdc.gov/tfacts151.html
Comprehensive information for the element Manganese – Mn is provided by this page including scores of properties, element names in many languages, most known nuclides and technical terms are linked to their definitions. ... Manganese Menu...
environmentalchemistry.com/yogi/periodic/Mn.html
This WebElements periodic table page contains Essential information for the element manganese ... Isolation: it is not normally necessary to make manganese in the laboratory as it is available commercially. Nearly all manganese produced commercially is used in the steel industry as ferromanganese.
www.webelements.com/webelements/elements/text/Mn/key.ht... www.webelements.com/webelements/elements/text/Mn/key.html · Cached
Basic information, atomic structure, and isotopes. ... Name: Manganese ; Symbol: Mn ; Atomic Number: 25 ; Atomic Mass: 54.93805 amu ; Melting Point: 1245.0 °C (1518.15 K, 2273.0 °F) ; Boiling Point: 1962.0 °C (2235.15 K, 3563.6 °F) ; Number of Protons/Electrons: 25 ;
www.chemicalelements.com/elements/mn.html · Cached
The Element Manganese - Basic Physical and Historical Information ... The Element Manganese; [Click for Isotope Data] ... Nearly 90% of all of the manganese produced each year is used in the production of steel. Manganese is added to molten steel to remove oxygen and sulfur and is alloyed with steel to make it easier to form...
education.jlab.org/itselemental/ele025.html · Cached
The international Manganese Institute (IMnI) is an non-profit industry association that represents manganese ore and alloy products, manufacturers of manganese-based products and traders world-wide. ... To view the film Manganese, The Wonder Element, please click on the link:
www.manganese.org/ www.manganese.org/ · Cached
Manganese was recognized by Scheele, Bergman and others as an element and isolated by Gahn in 1774 by reduction of the dioxide with carbon. Manganese minerals are widely distributed; oxides, silicates, and carbonates are the most common.
www.tamuk.edu/chemistry/WebElements/manganese_element.h... www.tamuk.edu/chemistry/WebElements/manganese_element.htm · Cached
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