Manganese
Johann Gahn is credited with the discovery of manganese in 1774.
Further Details:
Chemical properties, environmental and health effects of manganese ... Chemical properties of manganese - Health effects of manganese - Environmental effects of manganese...
www.lenntech.com/periodic/elements/mn.htm
Manganese exists in four allotropic forms. Allotropes are forms of an element with different physical and chemical properties. The element changes from one form to another as the temperature rises. The form that exists from room temperature up to about 700°C (1,300°F) is the most common form.
www.chemistryexplained.com/elements/L-P/Manganese.html www.chemistryexplained.com/elements/L-P/Manganese.html
Lanthanum, Chemical Element , Lead, Chemical Element , Lithium, Chemical Element , Lutetium, Chemical Element , Magnesium, Chemical Element , Manganese, Chemical Element , Mercury, Chemical Element , Molybdenum, Chemical Element , Neodymium, Chemical Element , Neon, Chemical Element , etc… ... Sulfur, Chemical Element forum...
www.chemistryexplained.com/elements/P-T/Sulfur.html www.chemistryexplained.com/elements/P-T/Sulfur.html
Chemical Properties of Manganese ... Comprehensive data on the chemical element Manganese is provided on this page; including scores of properties, element names in many languages, most known nuclides of Manganese. Common chemical compounds are also provided for many elements.
environmentalchemistry.com/yogi/periodic/Mn.html environmentalchemistry.com/yogi/periodic/Mn.html
Get periodic table facts on the chemical and physical properties of the element manganese. ... Chemical & Physical Properties ... Properties: Manganese has a melting point of 1244+/-3°C, boiling point of 1962°C, specific gravity of 7.21 to 7.44 (depending on allotropic form), and valence of 1, 2, 3, 4, 6, or 7.
chemistry.about.com/od/elementfacts/a/manganese.htm chemistry.about.com/od/elementfacts/a/manganese.htm
Grouped water molecules form bodies of water. Minute amounts of other molecules mixed among the water molecules are known as impurities. Impurities can slightly alter physical properties such as color. ... Galaxite MnAl2O4 Manganese Spinel ... THE CHEMICAL PROPERTIES OF MINERALS...
www.minerals.net/resource/chemical.htm www.minerals.net/resource/chemical.htm
Manganese violet ... Chemical Properties: Stable di-arylide (PY 83). The base on which both varieties are substrated is indistinguishable under the microscope. Nor can the natural and artificial be identified even at high magnification.
www.jcsparks.com/painted/pigment-chem.html
Surface chemical characteristics of root cell walls extracted from two tobacco genotypes exhibiting differential tolerance to Mn toxicity were studied using potentiometric pH titration and Fourier transform infrared spectroscopy.
www.plantphysiol.org/cgi/content/abstract/100/1/496
Manganese – Sources, Properties and Applications ... Chemical Formula ... Key Properties...
www.azom.com/Details.asp?ArticleID=1699