Eu Európium 63 151.964 6 f 63 822.0 1529.0 [Xe] 4f7 6s2 2 8 18 25 8 2 5.24 0.00018% Silver Cubic: Body centered {"1":"547.1","2":"1085","3":"2404","4":"4120"} 547 50 +3,2 1.99 28.9 9.21 175.73 0.182 13.9 90.5K 0 Solid, Paramagnetic, Conductor, Lanthanide, Stable, Natural yoo-RO-pi-em Soft, silvery-white metal. Used with yttrium oxide to make red phosphors for color televisions. Obtained from monazite sand, which is a mixture of phosphates of calcium, thorium, cerium, and most other rare earths. 88YOmg_FUVo Europium

A bórvegyületek már évezredek óra ismertek, de az elemi bórt 1808-ban Sir Humphry Davy, Joseph Louis Gay-Lussac és Louis Jacques Thénard fedezte fel.

Jöns Jakob Berzelius 1824-ben megállapította, hogy az illető anyag egy elem. Az arab Buraq, perzsa Burah szóból. Régi magyar neve bórany. 63 1901 Eugene Demarcay France Named after "Europe"

Az elemi bór, a bór-oxid, a bórsav és számos bórorganikus vegyület nem mérgező

A bór létfontosságú a zöld növényeknek

Boron oxide is used in glassmaking and ceramics.

Borax is used in making fiberglass, as a cleansing fluid, a water softener, insecticide, herbicide and disinfectant.

Boric acid is used as a mild antiseptic and as a flame retardant.

Boron shielding is used as a control for nuclear reactors.