Ce

Cerium

Dy

Dysprosium

Er

Erbium

Eu

Europium

Gd

Gadolinium

Ho

holmium

La

lanthanum

Lu

lutetium

Nd

neodymium

Pm

promethium

Pr

praseodymium

Sm

samarium

Tb

terbium

Tm

thulium

Yb

ytterbium