₂₅Mn (Manganese)

Proposed to be an element by Carl Wilhelm Scheele in 1774, manganese was discovered by Johan Gottlieb Gahn, a Swedish chemist, by heating the mineral pyrolusite (MnO2) in the presence of charcoal later that year.

Home
Previous
Next

Manganese is a chemical element with symbol Mn and atomic number 25. It is not found as a free element in nature; it is often found in minerals in combination with iron.

Atomic Weight:   54.938044

Density:   7.47 g/cm3

Melting Point:   1246 °C

Boiling Point:   2061 °C

Copyright Reserved 2018 by Christian Felix Alavazo