
Period 6 elements
Period 6 is the long row containing 32 elements, including all 15 lanthanides (cerium through lutetium), the heavy noble gas radon, plus gold, mercury, platinum and tungsten.
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At
Astatine
85
210
Au
Gold
79
196.967
Ba
Barium
56
137.328
Bi
Bismuth
83
208.98
Ce
Cerium
58
140.116
Cs
Cesium
55
132.905
Dy
Dysprosium
66
162.5
Er
Erbium
68
167.259
Eu
Europium
63
151.964
Gd
Gadolinium
64
157.253
Hf
Hafnium
72
178.492
Hg
Mercury
80
200.592
Ho
Holmium
67
164.93
Ir
Iridium
77
192.217
La
Lanthanum
57
138.905
Lu
Lutetium
71
174.967
Nd
Neodymium
60
144.242
Os
Osmium
76
190.233
Pb
Lead
82
207.21
Pm
Promethium
61
145
Po
Polonium
84
209
Pr
Praseodymium
59
140.908
Pt
Platinum
78
195.085
Re
Rhenium
75
186.207
Rn
Radon
86
222
Sm
Samarium
62
150.362
Ta
Tantalum
73
180.948
Tb
Terbium
65
158.925
Tl
Thallium
81
204.382
Tm
Thulium
69
168.934
W
Tungsten
74
183.841
Yb
Ytterbium
70
173.045