LANTHANUM
\lˈanθanəm], \lˈanθanəm], \l_ˈa_n_θ_a_n_ə_m]\
Sort: Oldest first
-
a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
By Princeton University
-
a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
By DataStellar Co., Ltd
-
Lanthanum. The prototypical element in the rare earth family of metals. It has the atomic symbol La, atomic number 57, and atomic weight 138.91. Lanthanide ion is used in experimental biology as a calcium antagonist; lanthanum oxide improves the optical properties of glass.
By DataStellar Co., Ltd
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.