#63 EuropiumEuropium is a chemical element with symbol Eu and atomic number 63. It was isolated in 1901 and is named after the continent of Europe. It is a moderately hard, silvery metal which readily oxidizes in air and water. Atomic mass:151.964 amu Melting point:822.0 C (1095.15 K, 1511.6 F) Boiling point:1597.0 C (1870.15 K, 2906.6 F) Density:293 K:293 K: 5.259 g/cm3 |