Assertion: polyvalent metallic element | /r/SimilarTo | iron
Facets:
Source sentences:
text: atomic number 25; manganese; Mn (a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals)
text: Mn, atomic number 25, manganese a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
text: Mn, atomic number 25, manganese a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
text: manganese a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals