CAS Number
1
H
Hydrogen
1333-74-0
2
He
Helium
7440-59-7
3
Li
Lithium
7439-93-2
4
Be
Beryllium
7440-41-7
5
B
Boron
7440-42-8
6
C
Carbon
7440-44-0
7
N
Nitrogen
7727-37-9
8
O
Oxygen
7782-44-7
9
F
Fluorine
7782-41-4
10
Ne
Neon
7440-01-9
11
Na
Sodium
7440-23-5
12
Mg
Magnesium
7439-95-4
13
Al
Aluminium
7429-90-5
14
Si
Silicon
7440-21-3
15
P
Phosphorus
7423-14-0
16
S
Sulphur
7704-34-9
17
Cl
Chlorine
7782-50-5
18
Ar
Argon
7440-37-1
19
K
Potassium
7440-09-7
20
Ca
Calcium
7440-70-2
21
Sc
Scandium
7440-20-2
22
Ti
Titanium
7440-32-6
23
V
Vanadium
7440-62-2
24
Cr
Chromium
7440-47-3
25
Mn
Manganese
7439-96-5
26
Fe
Iron
7439-89-6
27
Co
Cobalt
7440-48-4
28
Ni
Nickel
7440-02-0
29
Cu
Copper
7440-50-8
30
Zn
Zinc
7440-66-6
31
Ga
Galium
7440-55-3
32
Ge
Germanium
7440-56-4
33
As
Arsenic
7440-38-2
34
Se
Selenium
74782-49-2
35
Br
Bromine
7726-95-6
36
Kr
Krypton
7439-90-9
37
Rb
Rubidium
7440-17-7
38
Sr
Strontium
7440-24-6
39
Y
Yttrium
7440-65-5
40
Zr
Zirconium
7440-67-7
41
Nb
Niobium
7440-03-1
42
Mo
Molybdenum
7439-98-7
43
Tc
Technetium
7440-26-8
44
Ru
Ruthenium
7440-18-8
45
Rh
Rhodium
7440-16-6
46
Pd
Palladium
7440-05-3
47
Ag
Silver
7440-22-4
48
Cd
Cadmium
7440-43-9
49
In
Indium
7440-74-6
50
Sn
Tin
7440-31-5
51
Sb
Antimony
7440-36-0
52
Te
Tellurium
13494-80-9
53
I
Iodine
7553-56-2
54
Xe
Xenon
7440-63-3
55
Cs
Caesium
7440-46-2
56
Ba
Barium
7440-39-3
57
La
Lanthanum
7439-91-0
58
Ce
Cerium
7440-45-1
59
Pr
Praseodymium
7440-10-0
60
Nd
Neodymium
7440-00-8
61
Pm
Promethium
7440-12-2
62
Sm
Samarium
7440-19-9
63
Eu
Europium
7440-53-1
64
Gd
Gadolinium
7440-54-2
65
Tb
Terbium
7440-27-9
66
Dy
Dysprosium
7429-91-6
67
Ho
Holmium
7440-60-0
68
Er
Erbium
7440-52-0
69
Tm
Thulium
7440-30-4
70
Yb
Ytterbium
7440-64-4
71
Lu
Lutetium
7439-94-3
72
Hf
Hafnium
7440-58-6
73
Ta
Tantalum
7440-25-7
74
W
Tungsten
7440-33-7
75
Re
Rhenium
7440-15-5
76
Os
Osmium
7440-58-6
77
Ir
Iridium
7439-88-5
78
Pt
Platinum
7440-06-4
79
Au
Gold
7440-57-5
80
Hg
Mercury
7439-97-6
81
Tl
Thallium
7440-28-0
82
Pb
Lead
7439-92-1
83
Bi
Bismuth
7440-69-9
84
Po
Polonium
7440-08-6
85
At
Astatine
7440-68-8
86
Rn
Radon
10043-92-2
87
Fr
Francium
7440-73-5
88
Ra
Radium
7440-14-4
89
Ac
Actinium
7440-34-8
90
Th
Thorium
7440-29-1
91
Pa
Protactinium
7440-13-3
92
U
Uranium
7440-61-1
93
Np
Neptunium
7439-99-8
94
Pu
Plutonium
7440-07-5
94
Am
Americium
7440-35-9
96
Cm
Curium
7440-51-9
97
Bk
Berkelium
7440-40-6
98
Cf
Californium
7440-71-3
99
Es
Einsteinium
7429-92-7
100
Fm
Fermium
7429-92-7
101
Md
Mendelevium
7440-11-1
102
No
Nobelium
10028-14-5
103
Lw
Lawrencium
22537-19-5
104
Rf
Rutherfordium
53850-36-5
105
Db
Dubnium
53850-35-4
106
Sg
Seaborgium
54038-81-2
107
Bh
Bohrium
54037-14-8
108
Hs
Hassium
54037-57-9
109
Mt
Meitnerium
54038-01-6
110
Ds
Darmstadtium
54038-77-1
111
Rg
Roentgenium
54386-24-2
112
Cn
Copernicium
54084-26-3
113
Nh
Nihonium
54084-70-7
114
Fl
Flerovium
54085-16-4
115
Mc
Moscovium
54085-64-2
116
Lv
Livermorium
54100-71-9
117
Ts
Tennessine
87658-56-8
118
Og
Oganesson
54144-19-3