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PERIODIC TABLE OF THE ELEMENTS

1
H
Hydrogen
1.0079
ATOMIC NUMBER
SYMBOL
NAME
ATOMIC MASS
2
He
Helium
4.003
3
Li
Litium
6.941
4
Be
Beryllium
9.012
5
B
Boron
10.811
6
C
Carbon
12.011
7
N
Nitrogen
14.007
8
O
Oxygen
15.999
9
F
Fluorine
18.998
10
Ne
Neon
20.180
11
Na
Sodium
22.990
12
Mg
Magnesium
24.305
13
Al
Aluminum
26.982
14
Si
Silicon
28.086
15
P
Phosphorus
30.974
16
S
Sulfur
32.066
17
Cl
Chlorine
35.453
18
Ar
Argon
39.948
19
K
Potassium
39.098
20
Ca
Calcium
40.08
21
Sc
Scandium
44.956
22
Ti
Titanium
47.88
23
V
Vanadium
50.942
24
Cr
Chromium
51.996
25
Mn
Manganese
54.938
26
Fe
Iron
55.847
27
Co
Cobalt
58.933
28
Ni
Nickel
58.69
29
Cu
Copper
63.546
30
Zn
Zinc
65.39
31
Ga
Gallium
69.723
32
Ge
Germanium
72.61
33
As
Arsenic
74.922
34
Se
Selenium
78.96
35
Br
Bromine
79.904
36
Kr
Krypton
83.80
37
Rb
Rubidium
85.47
38
Sr
Strontium
87.62
39
Y
Yttrium
88.906
40
Zr
Zirconium
91.224
41
Nb
Niobium
92.906
42
Mo
Molybdenum
95.95
43
Tc
Technetium
(98)
44
Ru
Ruthenium
101.07
45
Rh
Rhodium
102.91
46
Pd
Palladium
106.42
47
Ag
Silver
107.87
48
Cd
Cadmium
112.41
49
In
Indium
114.82
50
Sn
Tin
118.17
51
Sb
Antimony
121.75
52
Te
Tellurium
127.60
53
I
Iodine
126.90
54
Xe
Xenon
131.29
55
Cs
Cesium
132.90
56
Ba
Barium
137.33
57
La
Lanthanum
138.91
72
Hf
Hafnium
178.49
73
Ta
Tantalum
180.95
74
W
Tungsten
183.85
75
Re
Rhenium
186.21
76
Os
Osmium
190.2
77
Ir
Iridium
192.22
78
Pt
Platium
195.08
79
Au
Gold
196.97
80
Hg
Mercury
200.59
81
Tl
Thallium
204.38
82
Pb
Lead
207.2
83
Bi
Bismuth
208.98
84
Po
Polonium
(209)
85
At
Astatine
(210)
86
Rn
Radon
(222)
87
Fr
Francium
(223)
88
Ra
Radium
(226)
89
Ac
Actinium
(227)
104
Unq
_____
(261)
105
Unp
_____
(262)
106
Unh
_____
(263)
107
Uns
_____
(262)
108
Uno
_____
(265)
109
Une
_____
(266)
110
Uun
_____
(267)
58
Ce
Cerium
140.12
59
Pr
Praseodymium
140.91
60
Nd
Neodymium
144.24
61
Pm
Promethium
(145)
62
Sm
Samarium
150.36
63
Eu
Europium
151.96
64
Gd
Gadolinium
157.25
65
Tb
Terbium
158.92
66
Dy
Dysprosium
162.50
67
Ho
Holmium
164.93
68
Er
Erbium
167.26
69
Tm
Thulium
168.93
70
Yb
Ytterbium
173.04
71
Lu
Lutetium
174.97
90
Th
Thorium
232.04
91
Pa
Protactinium
231
92
U
Uranium
238.03
93
Np
Neptunium
(237)
94
Pu
Plutonium
(244)
95
Am
Americium
(243)
96
Cm
Curium
(247)
97
Bk
Berkelium
(247)
98
Cf
Californium
(251)
99
Es
Einsteinium
(252)
100
Fm
Fermium
(257)
101
Md
Mendelevium
(258)
102
No
Nobelium
(259)
103
Lr
Lawrencium
(260)