La

Lanthanum

Ce

Cerium

Pr

Praseodymium

Nd

Neodymium

Pm

Promethium

Sm

Samarium

Eu

Europium

Gd

Gadolinium

Tb

Terbium

Dy

Dysprosium

Ho

Holmium

Er

Erbium

Tm

Thulium

Yb

Ytterbium

Ac

Actinium

Th

Thorium

Pa

Protactinium

U

Uranium

Np

Neptunium

Pu

Plutonium

Am

Americium

Cm

Curium

Bk

Berkelium

Cf

Californium

Es

Einsteinium

Fm

Fermium

Md

Mendelevium

No

Nobelium