A period 6 element is one of the chemical elements in the sixth row (or period) of the periodic table of the elements, including the lanthanides.
These are:
| Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # Name |
55 Cs |
56 Ba |
57-71 | 72 Hf |
73 Ta |
74 W |
75 Re |
76 Os |
77 Ir |
78 Pt |
79 Au |
80 Hg |
81 Tl |
82 Pb |
83 Bi |
84 Po |
85 At |
86 Rn |
| e--conf. | ||||||||||||||||||
| Lanthanides | 57 La |
58 Ce |
59 Pr |
60 Nd |
61 Pm |
62 Sm |
63 Eu |
64 Gd |
65 Tb |
66 Dy |
67 Ho |
68 Er |
69 Tm |
70 Yb |
71 Lu |
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| e--conf. | ||||||||||||||||||
Element categories in the periodic table
| Metals | Metalloids | Nonmetals | Unknown | |||||||
| Alkali metals | Alkaline earth metals | Inner transition elements | Transition elements | Other metals | Other nonmetals | Halogens | Noble gases | |||
| Lanthanoids | Actinoids | |||||||||
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