The Periodic Table of Elements

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The Periodic Table of Elements
Each entry contains the atomic number, chemical symbol, and atomic mass on elements where data is available. Undefined cells contain a space. Row 9 is blank, and the content in the last two rows begins in column 3. The column headings announced when navigating the table do not apply to the last three rows.
1
1A
2
2A
3
3B
4
4B
5
5B
6
6B
7
7B
8
8B
9
8B
10
8B
11
1B
12
2B
13
3A
14
4A
15
5A
16
6A
17
7A
18
8A
1
H
1.008
                               
2
He
4.003
3
Li
6.941
4
Be
9.012
                   
5
B
10.811
6
C
12.011
7
N
14.007
8
O
15.999
9
F
18.998
10
Ne
20.180
11
Na
22.999
12
Mg
24.305
                   
13
Al
26.982
14
Si
28.086
15
P
30.974
16
S
32.065
17
Cl
35.453
18
Ar
39.948
19
K
39.098
20
Ca
40.078
21
Sc
44.956
22
Ti
47.867
23
V
50.942
24
Cr
51.996
25
Mn
54.938
26
Fe
55.845
27
Co
58.933
28
Ni
58.693
29
Cu
63.546
30
Zn
65.390
31
Ga
69.723
32
Ge
72.640
33
As
74.922
34
Se
78.960
35
Br
79.904
36
Kr
83.800
37
Rb
85.468
38
Sr
87.620
39
Y
88.906
40
Zr
91.224
41
Nb
92.906
42
Mo
95.940
43
Tc
98.000
44
Ru
101.07
45
Rh
102.91
46
Pd
106.42
47
Ag
107.87
48
Cd
112.41
49
In
114.82
50
Sn
118.71
51
Sb
121.76
52
Te
127.60
53
I
126.90
54
Xe
131.29
55
Cs
132.91
56
Ba
137.33
57
La
138.91
73
Hf
178.49
73
Ta
180.95
74
W
183.85
75
Re
186.21
76
Os
190.23
77
Ir
192.22
78
Pt
195.08
79
Au
196.97
80
Hg
200.59
81
Tl
204.38
82
Pb
207.20
83
Bi
208.91
84
Po
208.88
85
At
209.99
86
Rn
222.02
87
Fr
223.01
88
Ra
226.03
89
Ac
(227)
104
Rf
(261)
105
Db
(262)
106
Sg
(263)
107
Bh
(262)
108
Hs
(265)
109
Mt
(266)
110
Ds
(281)
111
Rg
(272)
112
Cn
(285)
113
Nh
(286)
114
Fl
(289)
115
Mc
(289)
116
Lv
(293)
117
Ts
(294)
118
Og
(294)
                                   
   
58
Ce
140.11
59
Pr
140.91
60
Nd
144.24
61
Pm
(145)
62
Sm
150.36
63
Eu
151.96
64
Gd
157.25
65
Tb
158.93
66
Dy
162.50
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
71
Lu
174.97
   
   
90
Th
232.04
91
Pa
231.04
92
U
238.03
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
(259)
103
Lr
(262)
   

A small UiB logoAccessible designed Table of the Elements, Adapted by the University of Bergen, copyright 2021, is made available under the terms of the CC-BY-NC-SA 4.0 license.
Adapted with permission from the American Chemical Society and Independence Science.