Periodic Table of the Elements - Radiochemistry Society
 ADDITIONAL INFO & DOWNLOADSNuclear Periodic Table & Isotopic data
available on each element description page!
 
PeriodGroup**
1
IA
1A
18
V
IIIA
8A
11
H

1.008
2
IIA
2A
*Click on Symbols for more information13
IIIA
3A
14
IVA
4A
15
VA
5A
16
VIA
6A
17
VIIA
7A
2
He
4.003
23
Li
6.941
4
Be

9.012
5
B
10.81
6
C
12.01
7
N
14.01
8
O
16.00
9
F
19.00
10
Ne
20.18
311
Na

22.99
12
Mg

24.31
3
IIIB
3B
4
IVB
4B
5
VB
5B
6
VIB
6B

7
VIIB
7B

891011
IB
1B
12
IIB
2B
13
Al
26.98
14
Si
28.09
15
P
30.97
16
S
32.07
17
Cl
35.45
18
Ar
39.95
------- VIII -------
------- 8 -------
419
K
39.10
20
Ca
40.08
21
Sc
44.96
22
Ti
47.88
23
V
50.94

24
Cr
52.00

25
Mn
54.94

26
Fe
55.85
27
Co
58.47
28
Ni
58.69

29
Cu
63.55

30
Zn
65.39
31
Ga
69.72
32
Ge
72.59
33
As
74.92
34
Se
78.96
35
Br
79.90
36
Kr
83.80
537
Rb
85.47
38
Sr
87.62
39
Y
88.91
40
Zr
91.22
41
Nb
92.91
42
Mo
95.94
43
Tc
(98)
44
Ru
101.1
45
Rh
102.9
46
Pd
106.4
47
Ag
107.9
48
Cd
112.4
49
In
114.8
50
Sn
118.7
51
Sb
121.8
52
Te
127.6
53
I
126.9
54
Xe
131.3
655
Cs
132.9
56
Ba
137.3
57
La*
138.9
72
Hf
178.5
73
Ta
180.9
74
W
183.9
75
Re
186.2
76
Os
190.2
77
Ir
190.2
78
Pt
195.1
79
Au
197.0
80
Hg
200.5
81
Tl
204.4
82
Pb
207.2
83
Bi
209.0
84
Po
(210)
85
At
(210)
86
Rn
(222)
787
Fr
(223)
88
Ra
(226)
89
Ac~
(227)
104
Rf
(265)
105
Db
(268)
106
Sg
(271)
107
Bh
(274)
108
Hs
(276)
109
Mt
(278)
110
Ds
(281)
111
Rg
(283)
112
Uub
(285)
113
Uut
(287)
114
Uuq
(289)
115
Uup
(291)
116
Uuh
(292)
117
Uus
(292)
118
Uuo
(293)
 

 

Lanthanide Series*58
Ce
140.1
59
Pr
140.9
60
Nd
144.2
61
Pm
(147)
62
Sm
150.4
63
Eu
152.0
64
Gd
157.3
65
Tb
158.9
66
Dy
162.5
67
Ho
164.9
68
Er
167.3
69
Tm 168.9
70
Yb
173.0
71
Lu
175.0
Actinide Series~90
Th
232.0
91
Pa
(231)
92
U
(238)
93
Np
(237)
94
Pu
(244)
95
Am
(243)
96
Cm
(247)
97
Bk
(247)
98
Cf
(251)
99
Es
(252)
100
Fm
(257)
101
Md
(258)
102
No
(261)
103
Lr
(265)
** Groups are noted by 3 notation conventions.
Atomic Mass based on longest lived half-life


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