Manganese - Wikipedia
网页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.
Manganese - Element information, properties and uses | Periodic …
网页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
网页2024年9月17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
网页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 …
Manganese Facts - Periodic Table of the Elements - ThoughtCo
网页2019年7月3日 · Manganese is the 12 th most abundant element in the Earth's crust. Manganese has an abundance of 2 x 10-4 mg/L in sea water (parts per million). The permanganate ion (MnO 4-) contains the +7 oxidation state of manganese. Manganese was found in a black mineral called 'magnes' from the ancient Greek kingdom of Magnesia.
Manganese: Nodules, Uses, Facts, Ore, Alloys, Metal - Geology.com
网页What is Manganese? Manganese is a silver metallic element with an atomic number of 25 and a chemical symbol of Mn. It is not found as an element in nature. It occurs in many minerals such as manganite, sugilite, purpurite, rhodonite, rhodochrosite, and pyrolusite. It is also found in many mineraloids such as psilomelane and wad.
Manganese | History, Uses, Facts, Physical & Chemical Characteristics
网页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. History and Discovery
Manganese | Mn (Element) - PubChem
网页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 summary | Britannica
网页manganese , Metallic chemical element, one of the transition element s, chemical symbol Mn, atomic number 25. It is a silvery white, hard, brittle metal, widely distributed in Earth’s crust in combination with other elements. Nodules rich in manganese occur in huge quantities on the seafloor, but no economical way to mine them has been devised.
Manganese Facts – Mn or Element Atomic Number 25 - Science …
网页2021年5月17日 · Manganese is a metal that is atomic number 25 on the periodic table with the element symbol Mn. Here’s a collection of interesting and useful manganese facts, including its history, properties, uses, and atomic data.