Mn

Mn is the chemical symbol for manganese, a transition metal with atomic number 25. It is a silvery-gray element that is widely used as an alloying agent in steel and other metals to improve hardness, strength, and wear resistance. Manganese occurs naturally in minerals such as pyrolusite and braunite and is recovered from oxide ores through reduction and refining processes. In biology, manganese is an essential trace element required for several enzyme functions, including certain antioxidant defenses and metabolism.

In the United States, MN is the postal abbreviation for Minnesota, a state located in the Upper Midwest. Minnesota’s landscape includes prairie, forests, and numerous lakes, and its economy spans manufacturing, services, agriculture, and technology. The two largest cities are Minneapolis and Saint Paul, collectively known as the Twin Cities, which host a range of cultural, educational, and sports institutions.

Internationally, MN serves as the ISO 3166-1 alpha-2 country code for Mongolia, a landlocked nation in East Asia. The internet country code top-level domain for Mongolia is .mn. The two-letter code mn also denotes the Mongolian language in ISO 639-1 nomenclature. In summary, mn/MN can refer to a chemical element, a U.S. state, or a pair of international codes related to Mongolia and its language.