Rare earth elements
From Conservapedia
The Rare earth elements are the fifteen chemical elements in the lanthanide series (atomic numbers 57 to 71) together with scandium (21) and yttrium (39).[1]
List of rare earth elements
| Element | Symbol | Atomic number |
|---|---|---|
| Scandium | Sc | 21 |
| Yttrium | Y | 39 |
| Lanthanum | La | 57 |
| Cerium | Ce | 58 |
| Praseodymium | Pr | 59 |
| Neodymium | Nd | 60 |
| Promethium | Pm | 61 |
| Samarium | Sm | 62 |
| Europium | Eu | 63 |
| Gadolinium | Gd | 64 |
| Terbium | Tb | 65 |
| Dysprosium | Dy | 66 |
| Holmium | Ho | 67 |
| Erbium | Er | 68 |
| Thulium | Tm | 69 |
| Ytterbium | Yb | 70 |
| Lutetium | Lu | 71 |
