Eu
EUROPIUM
Definition the most reactive rare earth element. it readily absorbs neutronmaking it useful in control rods.
Discovery 1896 by eugene democracoy of france.
Uses laser material, phosphor
Group of Elements Lanthanide (Solid)
Atomic Weight 151.964
Oxidation State +2,3
Melting Point 822
Boiling Point 1597
Density 6.24 g/cm3