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Cs
Cesium
Ba
Barium
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
Lu
Lutetium
Hf
Hafnium
Ta
Tantalum
W
Tungsten
Re
Rhenium
Os
Osmium
Ir
Iridium
Pt
Platinum
Au
Gold
Hg
Mercury
Tl
Thallium
Pb
Lead
Bi
Bismuth
Po
Polonium
At
Astatine
Rn
Radon