Group |
1 |
2 |
|
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
Period |
|
1 |
1
|
|
2
|
2 |
3
|
4
|
|
5
|
6
|
7
|
8
|
9
|
10
|
3 |
11
|
12
|
|
13
|
14
|
15
|
16
|
17
|
18
|
4 |
19
|
20
|
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
32
|
33
|
34
|
35
|
36
|
5 |
37
|
38
|
|
39
|
40
|
41
|
42
|
43
|
44
|
45
|
46
|
47
|
48
|
49
|
50
|
51
|
52
|
53
|
54
|
6 |
55
|
56
|
* |
71
|
72
|
73
|
74
|
75
|
76
|
77
|
78
|
79
|
80
|
81
|
82
|
83
|
84
|
85
|
86
|
7 |
87
|
88
|
** |
103
LrThe element Lawrencium does not occur naturally |
104
RfThe element Rutherfordium does not occur naturally |
105
DbThe element Dubnium does not occur naturally |
106
SgThe element Seaborgium does not occur naturally |
107
BhThe element Bohrium does not occur naturally |
108
HsThe element Hassium does not occur naturally |
109
MtThe element Meitnerium does not occur naturally |
110
DsThe element Darmstadtium does not occur naturally |
111
RgThe element Roentgenium does not occur naturally |
112
CnThe element Copernicium does not occur naturally |
113
NhThe element Nihonium does not occur naturally |
114
FlThe element Flerovium does not occur naturally |
115
McThe element Moscovium does not occur naturally |
116
LvThe element Livermorium does not occur naturally |
117
TsThe element Tennessine does not occur naturally |
118
OgThe element Oganesson does not occur naturally |
- |
|
*Lanthanides |
* |
57
|
58
|
59
|
60
|
61
|
62
|
63
|
64
|
65
|
66
|
67
|
68
|
69
|
70
|
|
**Actinides |
** |
89
|
90
|
91
|
92
|
93
|
94
|
95
|
96
|
97
|
98
|
99
|
100
|
101
|
102
|
|