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Reference Material
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Periodic Table of the Elements
Periodic Table of the Elements
1
H
1.00794
2
He
4.002602
3
Li
6.941
4
Be
9.01218
5
B
10.811
6
C
12.011
7
N
14.0067
8
O
15.9994
9
F
18.998403
10
Ne
20.179
11
Na
22.98977
12
Mg
24.305
13
Al
26.98154
14
Si
28.0855
15
P
30.97376
16
S
32.066
17
Cl
35.453
18
Ar
39.948
19
K
39.0983
20
Ca
40.078
21
Sc
44.9559
22
Ti
47.88
23
V
50.9415
24
Cr
51.9961
25
Mn
54.9380
26
Fe
55.847
27
Co
58.9332
28
Ni
58.69
29
Cu
63.546
30
Zn
65.38
31
Ga
69.723
32
Ge
72.59
33
As
79.9216
34
Se
78.96
35
Br
79.904
36
Kr
83.80
37
Rb
85.4678
38
Sr
87.62
39
Y
85.9059
40
Zr
91.22
41
Nb
92.9064
42
Mo
95.94
43
Tc
98.9063
44
Ru
101.07
45
Rh
102.9055
46
Pd
106.42
47
Ag
107.8682
48
Cd
112.41
49
In
114.82
50
Sn
118.710
51
Sb
121.75
52
Te
127.60
53
I
126.9045
54
Xe
131.29
55
Cs
132.9054
56
Ba
137.33
57
La
*
138.9055
72
Hf
178.49
73
Ta
180.9479
74
W
183.85
75
Re
186.207
76
Os
190.2
77
Ir
192.22
78
Pt
195.08
79
Au
196.9665
80
Hg
200.59
81
Tl
204.383
82
Pb
207.2
83
Bi
208.9804
84
Po
208.9824
85
At
209.9871
86
Rn
222.0176
87
Fr
223.0197
88
Ra
226.0254
89
Ac
**
227.0278
104
Rf
(265)
105
Db
(268)
106
Sg
(272)
107
Bh
(273)
108
Hs
(276)
109
Mt
(279)
110
Ds
(278)
111
Rg
(283)
112
Cn
(285)
113
Uut
(287)
114
Uuq
(289)
115
Uup
(291)
116
Uuh
(293)
117
Uus
(295)
118
Uuo
(294)
Inner Transition Metals
*Lanthanides
58
Ce
140.12
59
Pr
140.9077
60
Nd
144.24
61
Pm
146.9151
62
Sm
150.36
63
Eu
151.96
64
Gd
157.25
65
Tb
158.9254
66
Dy
162.50
67
Ho
164.9304
68
Er
167.26
69
Tm
168.9342
70
Yb
173.04
71
Lu
174.967
**Actinides
90
Th
232.0381
91
Pa
231.03588
92
U
238.0289
93
Np
237.0482
94
Pu
244.0642
95
Am
243.0614
96
Cm
247.0704
97
Bk
247.0703
98
Cf
251.0796
99
Es
252.0829
100
Fm
257.0951
101
Md
258.0986
102
No
259.1009
103
Lr
(264)
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