It is the principle strengthening element in carbon steels and low-alloy steels. Atomic number 6, atomic weight 12.01115. Manganese (Mn): Manganese is a brittle, metallic element that exists in ...

When the first periodic table was formulated by Mendeleev, it was the only group that contained just a single known element — manganese. In the early twentieth century, several claims were made ...

A cancer-causing chemical element is secretly lurking in a lot of Minnesota homes, and there's free tests available to find out if you could be in the danger zone.

Hotel is located across the street from Mall of America's east side - 3 miles from Minneapolis-St. Paul International Airport.