DOT Number
1
H
Hydrogen
1966
2
He
Helium
1963
3
Li
Lithium
1415
4
Be
Beryllium
1567
5
B
Boron
6
C
Carbon
1361
7
N
Nitrogen
1977
8
O
Oxygen
1073
9
F
Fluorine
9192
10
Ne
Neon
1913
11
Na
Sodium
1428
12
Mg
Magnesium
2950
13
Al
Aluminium
1396
14
Si
Silicon
1346
15
P
Phosphorus
1338
16
S
Sulphur
17
Cl
Chlorine
18
Ar
Argon
1951
19
K
Potassium
2257
20
Ca
Calcium
1855
21
Sc
Scandium
3089
22
Ti
Titanium
1456
23
V
Vanadium
3089
24
Cr
Chromium
3089
25
Mn
Manganese
3089
26
Fe
Iron
3089
27
Co
Cobalt
3089
28
Ni
Nickel
3089
29
Cu
Copper
3089
30
Zn
Zinc
1436
31
Ga
Galium
1803
32
Ge
Germanium
3089
33
As
Arsenic
1558
34
Se
Selenium
2658
35
Br
Bromine
1744
36
Kr
Krypton
1970
37
Rb
Rubidium
1423
38
Sr
Strontium
1383
39
Y
Yttrium
3089
40
Zr
Zirconium
2008
41
Nb
Niobium
42
Mo
Molybdenum
3089
44
Ru
Ruthenium
3089
45
Rh
Rhodium
3089
46
Pd
Palladium
3200
47
Ag
Silver
48
Cd
Cadmium
2570
49
In
Indium
3089
50
Sn
Tin
51
Sb
Antimony
52
Te
Tellurium
2811
53
I
Iodine
1759
54
Xe
Xenon
2591
55
Cs
Caesium
1407
56
Ba
Barium
1400
57
La
Lanthanum
3178
58
Ce
Cerium
1333
60
Nd
Neodymium
62
Sm
Samarium
1325
64
Gd
Gadolinium
67
Ho
Holmium
3089
69
Tm
Thulium
3089
70
Yb
Ytterbium
71
Lu
Lutetium
3089
72
Hf
Hafnium
2545
73
Ta
Tantalum
3089
74
W
Tungsten
3089
75
Re
Rhenium
76
Os
Osmium
3089
77
Ir
Iridium
3089
78
Pt
Platinum
3089
79
Au
Gold
80
Hg
Mercury
2809
81
Tl
Thallium
1707
82
Pb
Lead
3077
83
Bi
Bismuth
3080
86
Rn
Radon
2912
90
Th
Thorium
1975
92
U
Uranium
2979