The Periodic Table
1
H
1.008
1A
2A
3A
4A
5A
6A
7A
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
22.990
12
Mg
24.305

13
Al
26.982
14
Si
28.086
15
P
30.974
16
S
32.066
17
Cl
35.453
18
Ar
39.948
19
K
39.098
20
Ca
40.078
21
Sc
44.956
22
Ti
47.88
23
V
50.942
24
Cr
51.996
25
Mn
54.938
26
Fe
55.847
27
Co
58.933
28
Ni
58.693
29
Cu
63.546
30
Zn
65.39
31
Ga
69.723
32
Ge
72.61
33
As
74.922
34
Se
78.96
35
Br
79.904
36
Kr
83.80
37
Rb
85.468
38
Sr
87.62
39
Y
88.906
40
Zr
91.224
41
Nb
92.906
42
Mo
95.94
43
Tc
(98)
44
Ru
101.07
45
Rh
102.906
46
Pd
106.42
47
Ag
107.868
48
Cd
112.41
49
In
114.82
50
Sn
118.710
51
Sb
121.757
52
Te
127.60
53
I
126.905
54
Xe
131.29
55
Cs
132.905
56
Ba
137.33
57
La
138.906
72
Hf
178.49
73
Ta
180.948
74
W
183.85
75
Re
186.207
76
Os
190.2
77
Ir
192.22
78
Pt
195.08
79
Au
196.967
80
Hg
200.59
81
Tl
204.383
82
Pb
207.2
83
Bi
208.980
84
Po
(209)
85
At
(210)
86
Rn
(222)
87
Fr
(223)
88
Ra
226.025
89
Ac
(227)
104
Ku
105
Ha
organic chemistry © Dr. Ian Hunt, Department of Chemistry University of Calgary