Hydrogen
H
1.008
1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Helium
He
4.0026
2
|
Lithium
Li
6.94
3
|
Beryllium
Be
9.0122
4
|
|
|
|
|
|
|
|
|
|
|
Boron
B
10.81
5
|
Carbon
C
12.011
6
|
Nitrogen
N
14.007
7
|
Oxygen
O
15.999
8
|
Fluorine
F
18.998
9
|
Neon
Ne
20.18
10
|
Sodium
Na
22.99
11
|
Magnesium
Mg
24.305
12
|
|
|
|
|
|
|
|
|
|
|
Aluminium
Al
26.982
13
|
Silicon
Si
28.085
14
|
Phosphorus
P
30.974
15
|
Sulfur
S
32.06
16
|
Chlorine
Cl
35.45
17
|
Argon
Ar
39.95
18
|
Potassium
K
39.098
19
|
Calcium
Ca
40.078
20
|
Scandium
Sc
44.956
21
|
Titanium
Ti
47.867
22
|
Vanadium
V
50.942
23
|
Chromium
Cr
51.996
24
|
Manganese
Mn
54.938
25
|
Iron
Fe
55.845
26
|
Cobalt
Co
58.933
27
|
Nickel
Ni
58.693
28
|
Copper
Cu
63.546
29
|
Zinc
Zn
65.38
30
|
Gallium
Ga
69.723
31
|
Germanium
Ge
72.63
32
|
Arsenic
As
74.922
33
|
Selenium
Se
78.971
34
|
Bromine
Br
79.904
35
|
Krypton
Kr
83.798
36
|
Rubidium
Rb
85.468
37
|
Strontium
Sr
87.62
38
|
Yttrium
Y
88.906
39
|
Zirconium
Zr
91.224
40
|
Niobium
Nb
92.906
41
|
Molybdenum
Mo
95.95
42
|
Technetium
Tc
[97]
43
|
Ruthenium
Ru
101.07
44
|
Rhodium
Rh
102.91
45
|
Palladium
Pd
106.42
46
|
Silver
Ag
107.87
47
|
Cadmium
Cd
112.41
48
|
Indium
In
114.82
49
|
Tin
Sn
118.71
50
|
Antimony
Sb
121.76
51
|
Tellurium
Te
127.6
52
|
Iodine
I
126.9
53
|
Xenon
Xe
131.29
54
|
Caesium
Cs
132.91
55
|
Barium
Ba
137.33
56
|
Lanthanum
La
138.91
57
|
Hafnium
Hf
178.49
72
|
Tantalum
Ta
180.95
73
|
Tungsten
W
183.84
74
|
Rhenium
Re
186.21
75
|
Osmium
Os
190.23
76
|
Iridium
Ir
192.22
77
|
Platinum
Pt
195.08
78
|
Gold
Au
196.97
79
|
Mercury
Hg
200.59
80
|
Thallium
Tl
204.38
81
|
Lead
Pb
207.2
82
|
Bismuth
Bi
208.98
83
|
Polonium
Po
[209]
84
|
Astatine
At
[210]
85
|
Radon
Rn
[222]
86
|
Francium
Fr
[223]
87
|
Radium
Ra
[226]
88
|
Actinium
Ac
[227]
89
|
Rutherfordium
Rf
[267]
104
|
Dubnium
Db
[268]
105
|
Seaborgium
Sg
[269]
106
|
Bohrium
Bh
[270]
107
|
Hassium
Hs
[269]
108
|
Meitnerium
Mt
[278]
109
|
Darmstadtium
Ds
[281]
110
|
Roentgenium
Rg
[282]
111
|
Copernicum
Cn
[285]
112
|
Nihonium
Nh
[286]
113
|
Flerovium
Fl
[289]
114
|
Moscovium
Mc
[290]
115
|
Livermorium
Lv
[293]
116
|
Tennessine
Ts
[294]
117
|
Oganesson
Og
[294]
118
|
|
|
|
Cerium
Ce
140.12
58
|
Praseodymium
Pr
140.91
59
|
Neodymium
Nd
144.24
60
|
Promethium
Pm
[145]
61
|
Samarium
Sm
150.36
62
|
Europium
Eu
151.96
63
|
Gadolinium
Gd
157.25
64
|
Terbium
Tb
158.93
65
|
Dysprosium
Dy
162.5
66
|
Holmium
Ho
164.93
67
|
Erbium
Er
167.26
68
|
Thulium
Tm
168.93
69
|
Ytterbium
Yb
173.05
70
|
Lutenium
Lu
174.97
71
|
|
|
|
|
Thorium
Th
232.04
90
|
Protactinium
Pa
231.04
91
|
Uranium
U
238.03
92
|
Neptunium
Np
[237]
93
|
Plutonium
Pu
[244]
94
|
Americium
Am
[243]
95
|
Curium
Cm
[247]
96
|
Berkelium
Bk
[247]
97
|
Californium
Cf
[251]
98
|
Einsteinium
Es
[252]
99
|
Fermium
Fm
[257]
100
|
Mendelevium
Md
[258]
101
|
Nobelium
No
[259]
102
|
Lawrencium
Lr
[266]
103
|
