Manganese - Wikipedia
Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. It is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. It improves strength ...
Manganese - Element information, properties and uses | Periodic Table
Element Manganese (Mn), Group 7, Atomic Number 25, d-block, Mass 54.938. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Manganese | Uses, Facts, & Compounds | Britannica
2024年12月20日 · manganese (Mn), chemical element, one of the silvery white, hard, brittle metals of Group 7 (VIIb) of the periodic table. It was recognized as an element in 1774 by the Swedish chemist Carl Wilhelm Scheele while working with the mineral pyrolusite and was isolated the same year by his associate, Johan Gottlieb Gahn.
Manganese (Mn) - Periodic Table
Manganese is the 25th element in the periodic table and has a symbol of Mn and atomic number of 25. It has an atomic weight of 54.93804 and a mass number of 55. Manganese has twenty-five protons and thirty neutrons in its nucleus, and twenty-five electrons in four shells.
Manganese | Mn (Element) - PubChem
Periodic Table element Summary Manganese. Manganese is a chemical element with symbol Mn and atomic number 25. Classified as a transition metal, Manganese is a solid at room temperature.
Manganese (Mn) - Periodic Table
Manganese is a chemical element of the periodic table with chemical symbol Mn and atomic number 25 with an atomic weight of 54.938 u and is classed as transition metal and is part of group 7 (manganese group).
Manganese - Periodic Table
Manganese is an ancient metal and was discovered as a distinct element in 1774. It is used as pigment and for making various alloys with corrosion resistant properties. The use of manganese in the form of black colored pyrolusite (now identified as manganese dioxide) dates back to the 18 th century in the region Magnesia, Greece.
WebElements Periodic Table » Manganese » the essentials
Manganese atoms have 25 electrons and the shell structure is 2.8.13.2. The ground state electronic configuration of neutral manganese is [Ar]. 3d5. 4s2 and the term symbol of manganese is 6S5/2. Manganese metal is gray-white, resembling iron, but is harder and very brittle. The metal is reactive chemically, and decomposes cold water slowly.
Technical data for the element Manganese in the Periodic Table
Complete and detailed technical data about the element Manganese in the Periodic Table.
Manganese (Mn) [25] — Chemical Element — Periodic Table
Get the facts about element Manganese (Mn) [25] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.