Europium
| Basic: |
| Europium is a type of unalloyed metal. |
| Documentation: |
| Comment: The collection of all pieces (i.e., specific collection of nearby molecules) of europium; typically, these will be tightly bound into solid form. |
| Miscellaneous: |
| The atomic number of europium is 63. A possible valence of europium is 2. The atomic weight of europium is 151.964 atomic mass units. Europium is named after Europe. |