RTECS Number
1
H
Hydrogen
MW8900000
2
He
Helium
MH6520000
3
Li
Lithium
OJ5540000
4
Be
Beryllium
DS1750000
5
B
Boron
ED7350000
6
C
Carbon
HL4158550
7
N
Nitrogen
QW9700000
8
O
Oxygen
RS2060000
9
F
Fluorine
LM6475000
10
Ne
Neon
QP4450000
11
Na
Sodium
VY0686000
12
Mg
Magnesium
13
Al
Aluminium
BD0330000
14
Si
Silicon
VW0400000
15
P
Phosphorus
TH3495000
16
S
Sulphur
WS4250000
17
Cl
Chlorine
FO2100000
18
Ar
Argon
CF2300000
19
K
Potassium
TS6460000
20
Ca
Calcium
21
Sc
Scandium
22
Ti
Titanium
23
V
Vanadium
24
Cr
Chromium
GB4200000
25
Mn
Manganese
26
Fe
Iron
NO4565500
27
Co
Cobalt
GF8750000
28
Ni
Nickel
QR5950000
29
Cu
Copper
GL5325000
30
Zn
Zinc
ZG8600000
31
Ga
Galium
LW8600000
32
Ge
Germanium
LY5200000
33
As
Arsenic
CG0525000
34
Se
Selenium
VS7700000
35
Br
Bromine
EF9100000
36
Kr
Krypton
OC6772500
37
Rb
Rubidium
VL8500000
38
Sr
Strontium
39
Y
Yttrium
ZG2980000
40
Zr
Zirconium
41
Nb
Niobium
QT9900000
42
Mo
Molybdenum
QA4680000
44
Ru
Ruthenium
45
Rh
Rhodium
VI9069000
46
Pd
Palladium
RT3480500
47
Ag
Silver
VW3500000
48
Cd
Cadmium
EU9800000
49
In
Indium
NL1050000
50
Sn
Tin
XP7320000
51
Sb
Antimony
CC4025000
52
Te
Tellurium
WY2625000
53
I
Iodine
NN1575000
54
Xe
Xenon
ZE1280000
55
Cs
Caesium
FK9225000
56
Ba
Barium
CQ8370000
57
La
Lanthanum
58
Ce
Cerium
60
Nd
Neodymium
QO8575000
62
Sm
Samarium
64
Gd
Gadolinium
LW3850000
67
Ho
Holmium
69
Tm
Thulium
70
Yb
Ytterbium
ZG1925000
71
Lu
Lutetium
72
Hf
Hafnium
MG4600000
73
Ta
Tantalum
WW5505000
74
W
Tungsten
YO7175000
75
Re
Rhenium
VI0780000
76
Os
Osmium
RN1100000
77
Ir
Iridium
78
Pt
Platinum
TP2160000
79
Au
Gold
MD5070000
80
Hg
Mercury
OV4550000
81
Tl
Thallium
XG3425000
82
Pb
Lead
OF7525000
83
Bi
Bismuth
EB2600000
86
Rn
Radon
VE3750000
90
Th
Thorium
XO6400000
92
U
Uranium
YR3490000