1
H
1.0079
           
2
He
4.0026
3
Li
6.941
4
Be
9.0122
         
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
47.867
23
V
50.942
24
Cr
51.996
25
Mn
54.938
26
Fe
55.845
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
102.91
46
Pd
106.42
47
Ag
107.87
48
Cd
112.41
49
In
114.82
50
Sn
118.71
51
Sb
121.76
52
Te
127.60
53
I
126.90
54
Xe
131.29
55
Cs
132.91
56
Ba
137.33
71
Lu
174.97
72
Hf
178.49
73
Ta
180.95
74
W
183.84
75
Re
186.21
76
Os
190.23
77
Ir
192.22
78
Pt
195.08
79
Au
196.97
80
Hg
200.59
81
Tl
204.38
82
Pb
207.2
83
Bi
208.98
84
Po
(209)
85
At
(210)
86
Rn
(222)
87
Fr
(223)
88
Ra
(226)
103
Lr
(262)
104
Rf
(261)
105
Db
(262)
106
Sg
(263)
107
Bh
(264)
108
Hs
(265)
109
Mt
(268)
110
Ds
(281)
111
Rg
(272)
112
Cn
(277)
113
Uut
(284)
114
Fl
(289)
115
Uup
(288)
116
Lv
(292)
117
Uus
(293)
118
Uuo
(294)
119
Uue
(???)
120
Ubn
(???)
           
   
57
La
138.91
58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
(145)
62
Sm
150.36
63
Eu
151.96
64
Gd
157.25
65
Tb
158.93
66
Dy
162.50
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
   
   
89
Ac
(227)
90
Th
232.04
91
Pa
231.04
92
U
238.03
93
Np
(237)
94
Pu
(244)
95
Am
(243)
96
Cm
(247)
97
Bk
(247)
98
Cf
(251)
99
Es
(252)
100
Fm
(257)
101
Md
(258)
102
No
(259)
   
121
Ubu
(???)
122
Ubb
(???)
123
Ubt
(???)
124
Ubq
(???)
125
Ubp
(???)
126
Ubh
(???)
127
Ubs
(???)
128
Ubo
(???)
129
Ube
(???)
130
Utn
(???)
131
Utu
(???)
132
Utb
(???)
133
Utt
(???)
134
Utq
(???)
135
Utp
(???)
136
Uth
(???)
137
Fy
(???)
138
Uto
(???)
symbol name   symbol name   symbol name
Ac Actinium   H Hydrogen   Ra Radium
Ag Silver   He Helium   Rb Rubidium
Al Aluminum   Hf Hafnium   Re Rhenium
Am Americium   Hg Mercury   Rf Rutherfordium
Ar Argon   Ho Holmium   Rg Roentgenium
As Arsenic   Hs Hassium   Rh Rhodium
At Astatine   I Iodine   Rn Radon
Au Gold   In Indium   Ru Ruthenium
B Boron   Ir Iridium   S Sulfur
Ba Barium   K Potassium   Sb Antimony
Be Beryllium   Kr Krypton   Sc Scandium
Bh Bohrium   La Lanthanum   Se Selenium
Bi Bismuth   Li Lithium   Sg Seaborgium
Bk Berkelium   Lr Lawrencium   Si Silicon
Br Bromine   Lu Lutetium   Sm Samarium
C Carbon   Lv Livermorium   Sn Tin
Ca Calcium   Md Mendelevium   Sr Strontium
Cd Cadmium   Mg Magnesium   Ta Tantalum
Ce Cerium   Mn Manganese   Tb Terbium
Cf Californium   Mo Molybdenum   Tc Technetium
Cl Chlorine   Mt Meitnerium   Te Tellurium
Cm Curium   N Nitrogen   Th Thorium
Cn Copernicium   Na Sodium   Ti Titanium
Co Cobalt   Nb Niobium   Tl Thallium
Cr Chromium   Nd Neodymium   Tm Thulium
Cs Cesium   Ne Neon   Uuo Ununoctium
Cu Copper   Ni Nickel   Uup Ununpentium
Ds Darmstadtium   No Nobelium   Uus Ununseptium
Db Dubnium   Np Neptunium   Uut Ununtrium
Dy Dysprosium   O Oxygen   U Uranium
Er Erbium   Os Osmium   V Vanadium
Es Einsteinium   P Phosphorus   W Tungsten
Eu Europium   Pa Protactinium   Xe Xenon
F Fluorine   Pb Lead   Y Yttrium
Fe Iron   Pd Palladium   Yb Ytterbium
Fm Fermium   Pm Promethium   Zn Zinc
Fr Francium   Po Polonium   Zr Zirconium
Fl Flerovium   Pr Praseodymium      
Fy Feynmanium   Pt Platinum      
Ga Gallium   Pu Plutonium      
Gd Gadolinium  
Ge Germanium  
Symbols of the elements