Lanthanum
Of metal. May also be referred to as La and atomic number 57.
A white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth.
This concept's ID is @1~73947
Of metal. May also be referred to as La and atomic number 57.
A white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth.
This concept's ID is @1~73947