Europium
{{abcd}} Europium is a chemical Element test with symbol Eu and atomic number Eu in period 6. It is a solid.
Chemical properties
[edit]Europium has an atomic mass of 151.9641, a boiling point of 1802, a density of 5.264, and a melting point of 1099, a molar heat of 27.66, an electron configuration of 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 6s2, and an electron affinity of 11.2.