Eu Europij 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

Spojevi bora poznati su već tisućama godina, ali element su otkrili Sir Humphry Davy, Gay-Lussac i Thendard tek 1808.

Bor nije bio prepoznat kao element dok ga 1808. Sir Humphry Davy, Joseph Louis Gay-Lussac i Louis Jacques Thénard nisu izolirali.

Jöns Jakob Berzelius je identificarao bor kao element 1824. Od arapske riječi buraq, perzijski burah 63 1901 Eugene Demarcay France Named after "Europe"

Elemental boron, boron oxide, boric acid, borates and many organoboron compounds are non-toxic

Boron is an essential nutrient for all green plants

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.