Cerium,
Ce
Dysprosium,
Dy
Erbium,
Er
Europium,
Eu
Gadolinium,
Gd
Holmium,
Ho
Lutetium,
Lu
Neodymium,
Nd
Praseodymium,
Pr
Promethium,
Pm
Protactinium,
Pa
Samarium,
Sm
Terbium,
Tb
Thorium,
Th
Thulium,
Tm
Uranium,
U
Ytterbium,
Yb
