PERIODIC TABLE OF ELEMENTS
aa
1
2.2
H
Hydrogen
1.008
2
He
Helium
4.0026
3
0.98
Li
Lithium
6.94
4
1.57
Be
Beryllium
9.01218
5
2.04
B
Boron
10.81
6
2.55
C
Carbon
12.011
7
3.04
N
Nitrogen
14.007
8
3.44
O
Oxygen
15.999
9
3.98
F
Fluorine
18.9984
10
Ne
Neon
20.1798
11
0.93
Na
Sodium
22.9898
12
1.31
Mg
Magnesium
24.305
13
1.61
Al
Aluminium
26.9815
14
1.9
Si
Silicon
28.085
15
2.19
P
Phosphorus
30.9738
16
2.58
S
Sulfur
32.06
17
3.16
Cl
Chlorine
35.45
18
Ar
Argon
39.9481
19
0.82
K
Potassium
39.0983
20
1
Ca
Calcium
40.0784
21
1.36
Sc
Scandium
44.9559
22
1.54
Ti
Titanium
47.8671
23
1.63
V
Vanadium
50.9415
24
1.66
Cr
Chromium
51.9962
25
1.55
Mn
Manganese
54.938
26
1.83
Fe
Iron
55.8452
27
1.88
Co
Cobalt
58.9332
28
1.91
Ni
Nickel
58.6934
29
1.9
Cu
Copper
63.5463
30
1.65
Zn
Zinc
65.382
31
1.81
Ga
Gallium
69.7231
32
2.01
Ge
Germanium
72.6308
33
2.18
As
Arsenic
74.9216
34
2.55
Se
Selenium
78.9718
35
2.96
Br
Bromine
79.904
36
3
Kr
Krypton
83.7982
37
0.82
Rb
Rubidium
85.4678
38
0.95
Sr
Strontium
87.621
39
1.22
Y
Yttrium
88.9058
40
1.33
Zr
Zirconium
91.2242
41
1.6
Nb
Niobium
92.9064
42
2.16
Mo
Molybdenum
95.951
43
1.9
Tc
Technetium
98
44
2.2
Ru
Ruthenium
101.072
45
2.28
Rh
Rhodium
102.906
46
2.2
Pd
Palladium
106.421
47
1.93
Ag
Silver
107.868
48
1.69
Cd
Cadmium
112.414
49
1.78
In
Indium
114.818
50
1.96
Sn
Tin
118.711
51
2.05
Sb
Antimony
121.76
52
2.1
Te
Tellurium
127.603
53
2.66
I
Iodine
126.904
54
2.6
Xe
Xenon
131.294
55
0.79
Cs
Cesium
132.905
56
0.89
Ba
Barium
137.328
57
1.1
La
Lanthanum
138.905
58
1.12
Ce
Cerium
140.116
59
1.13
Pr
Praseodymium
140.908
60
1.14
Nd
Neodymium
144.242
61
1.13
Pm
Promethium
145
62
1.17
Sm
Samarium
150.362
63
1.2
Eu
Europium
151.964
64
1.2
Gd
Gadolinium
157.253
65
1.1
Tb
Terbium
158.925
66
1.22
Dy
Dysprosium
162.5
67
1.23
Ho
Holmium
164.93
68
1.24
Er
Erbium
167.259
69
1.25
Tm
Thulium
168.934
70
1.1
Yb
Ytterbium
173.045
71
1.27
Lu
Lutetium
174.967
72
1.3
Hf
Hafnium
178.492
73
1.5
Ta
Tantalum
180.948
74
2.36
W
Tungsten
183.841
75
1.9
Re
Rhenium
186.207
76
2.2
Os
Osmium
190.233
77
2.2
Ir
Iridium
192.217
78
2.28
Pt
Platinum
195.085
79
2.54
Au
Gold
196.967
80
2
Hg
Mercury
200.592
81
1.62
Tl
Thallium
204.38
82
1.87
Pb
Lead
207.21
83
2.02
Bi
Bismuth
208.98
84
2
Po
Polonium
209
85
2.2
At
Astatine
210
86
2.2
Rn
Radon
222
87
0.79
Fr
Francium
223
88
0.9
Ra
Radium
226
89
1.1
Ac
Actinium
227
90
1.3
Th
Thorium
232.038
91
1.5
Pa
Protactinium
231.036
92
1.38
U
Uranium
238.029
93
1.36
Np
Neptunium
237
94
1.28
Pu
Plutonium
244
95
1.13
Am
Americium
243
96
1.28
Cm
Curium
247
97
1.3
Bk
Berkelium
247
98
1.3
Cf
Californium
251
99
1.3
Es
Einsteinium
252
100
1.3
Fm
Fermium
257
101
1.3
Md
Mendelevium
258
102
1.3
No
Nobelium
259
103
1.3
Lr
Lawrencium
266
104
Rf
Rutherfordium
267
105
Db
Dubnium
268
106
Sg
Seaborgium
269
107
Bh
Bohrium
270
108
Hs
Hassium
269
109
Mt
Meitnerium
278
110
Ds
Darmstadtium
281
111
Rg
Roentgenium
282
112
Cn
Copernicium
285
113
Nh
Nihonium
286
114
Fl
Flerovium
289
115
Mc
Moscovium
289
116
Lv
Livermorium
293
117
Ts
Tennessine
294
118
Og
Oganesson
294