1) Atomic number 25 2) Chemical element 3) Dietary mineral 4) Element discovered in 1774 5) Element Mn 6) Element number 25 7) Element used in many alloys 8) Element with the symbol Mn 9) French word used in English 10) Ingredient of steel 11) Metal 12) Metallic element 13) Used in making steel
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1) Mn 2) Ore
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Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is not found as a free element in nature; it is often found in combination with iron, and in many minerals. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Historically, manganese is named for various bla...
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http://en.wikipedia.org/wiki/Manganese
• (n.) An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty, but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8.
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chemical element, one of the silvery-white, hard, brittle metals of Group VIIb of the periodic table. It was recognized as an element (1774) by the ... [24 related articles]
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http://www.britannica.com/eb/a-z/m/25
(Mn) A gray-white or silvery, brittle metallic element in group VIIB of the periodic table; a transition element. It is found naturally in the ores pyrolunite and manganite, and occurs in several allotropic forms. Elementary manganese is obtained by the reduction of mangane...
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An essential trace element. Present in cells as concentrations of _ 0.01 , mM. Activates a wide range of enzymes for example pyruvate carboxylase and one family of superoxide dismutases. Resembles magnesium and may replace it in many enzymes when it can modify substrate specificities. The addition of manganese salts to buffer solutions will...
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(Mn) (mang´gә-nēs) a chemical element, atomic number 25, atomic weight 54.938. Its salts occur in the body tissue in very small amounts and serve as activators of liver arginase and other enzymes.
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An essential trace element. Present in cells as concentrations of around 0.01mM. Activates a wide range of enzymes eg. pyruvate carboxylase and one family of superoxide dismutases. Resembles magnesium and may replace it in many enzymes when it can modify substrate specificities. The addition of manganese salts to buffer solutions will often make cells very adhesive.
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Man`ga·nese' noun [ French
manganèse , Italian
manganese , sasso
magnesio ; probably corrupted from Latin
magnes , because of its resemblance to the magnet. See
Magnet , and confer
Magnesia .]
(Chemistry) An element obtained by reduction of its oxide...
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(Mn) Type: Term Pronunciation: mang′gă-nēs Definitions: 1. A metallic element resembling iron and often associated with it, particularly in ores; atomic no. 25, atomic wt. 54.94; manganous salts are often used in medicine. Synonyms: manganum
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Manganese is a metalic element with the symbol Mn, atomic weight 55, and a reddish-white colour. It has a high metallic lustre, is harder than iron, and is difficult to fuse. It does not readily tarnish, does not decompose water, but reacts readily with most dilute acids.
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[
n] - a hard brittle gray polyvalent metallic element that resembles iron but is not magnetic
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brittle element that makes steel strong
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(Chemical symbol Mn.) Element No. 25 of the periodic system; atomic weight 54.93. Lustrous, reddish-white metal of hard brittle and, therfore, non-malleable character. The metal is used in large quantities in the form of Spiegel and Ferromanganese for steel manufacture as well as in manganese and many copper-base alloys. Its principal function is a...
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Increases hardenability, wear resistance, and tensile strength. Deoxidizes and degasifies to remove oxygen from molten metal. In larger quantities, increases hardness and brittleness.
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Obtained by reduction with aluminium or in a blast furnace. Pure manganese is a hard, brittle, silvery coloured, metallic element which exists in three polymorphic forms (alpha, beta and gamma) and has a complicated crystal structure. It resembles iron in being moderately reactive and dissolving in cold, dilute non-oxidising acids. When exposed to ...
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Mn noun a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
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Hard, brittle, grey-white metallic element, atomic number 25, relative atomic mass 54.9380. It resembles iron (and rusts), but it is not magnetic and is softer. It is used chiefly in making steel alloys, also alloys with aluminium and copper. It is used in fertilizers, paints, and industrial chemicals. It is a necessary trace element in human n...
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(Minor Nutrient) Leaf yellowing occurs when there is manganese deficiency.
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