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PERIODIC TABLE OF THE ELEMENTS

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
Lanthanide
Actinide
Source: Atomic Weights of the Elements 2007,
Pure Appl. Chem., Vol. 81, No. 11, (2009) 2131-2156
H
1
1.0079
He
2
4.0026
Li
3
6.941
Be
4
9.0122
B
5
10.811
C
6
12.011
N
7
14.007
O
8
15.999
F
9
18.998
Ne
10
20.180
Na
11
22.990
Mg
12
24.305
Al
13
26.982
Si
14
28.086
P
15
30.974
S
16
32.065
Cl
17
35.453
Ar
18
39.948
K
19
39.098
Ca
20
40.078
Sc
21
44.956
Ti
22
47.867
V
23
50.942
Cr
24
51.996
Mn
25
54.938
Fe
26
55.845
Co
27
58.933
Ni
28
58.693
Cu
29
63.546
Zn
30
65.38
Ga
31
69.723
Ge
32
72.64
As
33
74.922
Se
34
78.96
Br
35
79.904
Kr
36
83.798
Rb
37
85.468
Sr
38
87.62
Y
39
88.906
Zr
40
91.224
Nb
41
92.906
Mo
42
95.96
Tc
Tc
43
[98]
Ru
44
101.07
Rh
45
102.91
Pd
46
106.42
Ag
47
107.87
Cd
48
112.41
In
49
114.82
Sn
50
118.71
Sb
51
121.76
Te
52
127.60
I
53
126.90
Xe
54
131.29
Cs
55
132.91
Ba
56
137.33
La
57
138.91
Ce
58
140.12
Pr
59
140.91
Nd
60
144.24
Pm
Pm
61
[145]
Sm
62
150.36
Eu
63
151.96
Gd
64
157.25
Tb
65
158.93
Dy
66
162.50
Ho
67
164.93
Er
68
167.26
Tm
69
168.93
Yb
70
173.05
Lu
71
174.97
Hf
72
178.49
Ta
73
180.95
W
74
183.84
Re
75
186.21
Os
76
190.23
Ir
77
192.22
Pt
78
195.08
Au
79
196.97
Hg
80
200.59
Tl
81
204.38
Pb
82
207.2
Bi
83
208.98
Po
84
[209]
At
85
[210]
Rn
86
[222]
Fr
87
[223]
Ra
88
[226]
Ac
89
[227]
Th
90
232.04
Pa
91
231.04
U
92
238.03
Np
Np
93
[237]
Pu
Pu
94
[244]
Am
Am
95
[243]
Cm
Cm
96
[247]
Bk
Bk
97
[247]
Cf
Cf
98
[251]
Es
Es
99
[252]
Fm
Fm
100
[257]
Md
Md
101
[258]
No
No
102
[259]
Lr
Lr
103
[262]
Rf
Rf
104
[267]
Db
Db
105
[268]
Sg
Sg
106
[271]
Bh
Bh
107
[272]
Hs
Hs
108
[277]
Mt
Mt
109
[276]
Ds
Ds
110
[281]
Rg
Rg
111
[280]
Cn
Cn
112
[285]
Uut
Uut
113
[...]
Fl
Fl
114
[287]
Uup
Uup
115
[...]
Lv
Lv
116
[291]
Uus
Uus
117
[...]
Uuo
Uuo
118
[...]
La-Lu
57-71
Ac-Lr
89-103
273.15 K, 0 °C
Solid
Liquid
Gas
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