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Periodic table of chemical elements

Group #
Period
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18  
1 1
H
 
  Metals Alkali metals Alkaline earth metals Transition elements Other metals Actinides Lantha-
nides
  Non metals Halogens Other nonmetals Noble gases      
  Metalloids Metalloids          
  Unknown Unknown          
          2
He
1
2 3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
2
3 11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
3
4 19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
4
5 37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
5
6 55
Cs
56
Ba
* 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
6
7 87
Fr
88
Ra
** 104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Uub
113
Uut
114
Uuq
115
Uup
116
Uuh
117
(Uus)
118
Uuo
7
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18  
                                       
* 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
   
** Actinides 89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr