6. fas
≡
Cesium
Cs
55
Barium
Ba
56
Lantan
La
57
Cerium
Ce
58
Praseodym
Pr
59
Neodym
Nd
60
Prometium
Pm
61
Samarium
Sm
62
Europium
Eu
63
Gadolinium
Gd
64
Terbium
Tb
65
Dysprosium
Dy
66
Holmium
Ho
67
Erbium
Er
68
Tulium
Tm
69
Ytterbium
Yb
70
Lutetium
Lu
71
Hafnium
Hf
72
Tantal
Ta
73
Volfram
W
74
Rhenium
Re
75
Osmium
Os
76
Iridium
Ir
77
Platina
Pt
78
Guld
Au
79
Kvicksilver
Hg
80
Tallium
Tl
81
Bly
Pb
82
Vismut
Bi
83
Polonium
Po
84
Astat
At
85
Radon
Rn
86