👉 Manganium is a chemical element that is part of the group known as lanthanides. It is also known as gadolinium due to its resemblance to iron. Manganium is an element with the atomic number 24 and atomic mass 197. It has the chemical symbol Mn and the name "manganium" in chemistry. Manganese (Mn) is a transition metal that is often used in ferromagnetic materials, such as magnets, in order to