Periodic Table of Elements

123456789101112131415161718
I
1 1
H
Hydrogen
1.008
2 2
He
Helium
4.0026
II
3 2
1
Li
Lithium
6.94
4 2
2
Be
Beryllium
9.0122
5 2
3
B
Boron
10.81
6 2
4
C
Carbon
12.011
7 2
5
N
Nitrogen
14.007
8 2
6
O
Oxygen
15.999
9 2
7
F
Fluorine
18.9984
10 2
8
Ne
Neon
20.1798
III
11 2
8
1
Na
Sodium
22.9898
12 2
8
2
Mg
Magnesium
24.305
13 2
8
3
Al
Aluminium
26.9815
14 2
8
4
Si
Silicon
28.085
15 2
8
5
P
Phosphorus
30.9738
16 2
8
6
S
Sulfur
32.06
17 2
8
7
Cl
Chlorine
35.45
18 2
8
8
Ar
Argon
39.9481
IV
19 2
8
8
1
K
Potassium
39.0983
20 2
8
8
2
Ca
Calcium
40.0784
21 2
8
9
2
Sc
Scandium
44.9559
22 2
8
10
2
Ti
Titanium
47.8671
23 2
8
11
2
V
Vanadium
50.9415
24 2
8
13
1
Cr
Chromium
51.9962
25 2
8
13
2
Mn
Manganese
54.938
26 2
8
14
2
Fe
Iron
55.8452
27 2
8
15
2
Co
Cobalt
58.9332
28 2
8
16
Ni
Nickel
58.6934
29 2
8
18
1
Cu
Copper
63.5463
30 2
8
18
2
Zn
Zinc
65.382
31 2
8
18
3
Ga
Gallium
69.7231
32 2
8
18
4
Ge
Germanium
72.6308
33 2
8
18
5
As
Arsenic
74.9216
34 2
8
18
6
Se
Selenium
78.9718
35 2
8
18
7
Br
Bromine
79.904
36 2
8
18
8
Kr
Krypton
83.7982
V
37 2
8
18
8
1
Rb
Rubidium
85.4678
38 2
8
18
8
2
Sr
Strontium
87.621
39 2
8
18
9
2
Y
Yttrium
88.9058
40 2
8
18
10
2
Zr
Zirconium
91.2242
41 2
8
18
12
1
Nb
Niobium
92.9064
42 2
8
18
13
1
Mo
Molybdenum
95.951
43 2
8
18
13
2
Tc
Technetium
[98]
44 2
8
18
15
1
Ru
Ruthenium
101.072
45 2
8
18
16
1
Rh
Rhodium
102.9055
46 2
8
18
18
Pd
Palladium
106.421
47 2
8
18
18
1
Ag
Silver
107.8682
48 2
8
18
18
2
Cd
Cadmium
112.4144
49 2
8
18
18
3
In
Indium
114.8181
50 2
8
18
18
4
Sn
Tin
118.7107
51 2
8
18
18
5
Sb
Antimony
121.7601
52 2
8
18
18
6
Te
Tellurium
127.603
53 2
8
18
18
7
I
Iodine
126.9045
54 2
8
18
18
8
Xe
Xenon
131.2936
VI
55 2
8
18
18
8
1
Cs
Caesium
132.9055
56 2
8
18
18
8
2
Ba
Barium
137.3277
57–71
72 2
8
18
32
10
2
Hf
Hafnium
178.492
73 2
8
18
32
11
2
Ta
Tantalum
180.9479
74 2
8
18
32
12
2
W
Tungsten
183.841
75 2
8
18
32
13
2
Re
Rhenium
186.2071
76 2
8
18
32
14
2
Os
Osmium
190.233
77 2
8
18
32
15
2
Ir
Iridium
192.2173
78 2
8
18
32
17
1
Pt
Platinum
195.0849
79 2
8
18
32
18
1
Au
Gold
196.9666
80 2
8
18
32
18
2
Hg
Mercury
200.5923
81 2
8
18
32
18
3
Tl
Thallium
204.38
82 2
8
18
32
18
4
Pb
Lead
207.21
83 2
8
18
32
18
5
Bi
Bismuth
208.9804
84 2
8
18
32
18
6
Po
Polonium
(209)
85 2
8
18
32
18
7
At
Astatine
(210)
86 2
8
18
32
18
8
Rn
Radon
(222)
VII
87 2
8
18
32
18
8
1
Fr
Francium
(223)
88 2
8
18
32
18
8
2
Ra
Radium
(226)
89–103
104 2
8
18
32
32
10
2
Rf
Rutherfordium
[267]
105 2
8
18
32
32
11
2
Db
Dubnium
[268]
106 2
8
18
32
32
12
2
Sg
Seaborgium
[269]
107 2
8
18
32
32
13
2
Bh
Bohrium
[270]
108 2
8
18
32
32
14
2
Hs
Hassium
[269]
109 2
8
18
32
32
15
2
Mt
Meitnerium
[278]
110 2
8
18
32
32
16
2
Ds
Darmstadtium
[281]
111 2
8
18
32
32
17
2
Rg
Roentgenium
[281]
112 2
8
18
32
32
18
2
Cn
Copernicium
[285]
113 2
8
18
32
32
18
3
Uut
Ununtrium
[286]
114 2
8
18
32
32
18
4
Fl
Flerovium
[289]
115 2
8
18
32
32
18
5
Uup
Ununpentium
[289]
116 2
8
18
32
32
18
6
Lv
Livermorium
[293]
117 2
8
18
32
32
18
7
Uus
Ununseptium
[294]
118 2
8
18
32
32
18
8
Uuo
Ununoctium
[294]


57 2
8
18
18
9
2
La
name
138.9055
58 2
8
18
19
9
2
Ce
name
140.1161
59 2
8
18
21
8
2
Pr
name
140.9077
60 2
8
18
22
8
2
Nd
name
144.2423
61 2
8
18
23
8
2
Pm
name
[145]
62 2
8
18
24
8
2
Sm
name
150.362
63 2
8
18
25
8
2
Eu
name
151.9641
64 2
8
18
25
9
2
Gd
name
157.253
65 2
8
18
27
8
2
Tb
name
158.9254
66 2
8
18
28
8
2
Dy
name
162.5001
67 2
8
18
29
8
2
Ho
name
164.9303
68 2
8
18
30
8
2
Er
name
167.2593
69 2
8
18
31
8
2
Tm
name
168.9342
70 2
8
18
32
8
2
Yb
name
173.0451
71 2
8
18
32
9
2
Lu
name
174.9668
89 2
8
18
32
18
9
2
Ac
name
(227)
90 2
8
18
32
18
10
2
Th
name
232.0377
91 2
8
18
32
20
9
2
Pa
name
231.0359
92 2
8
18
32
21
9
2
U
name
238.0289
93 2
8
18
32
22
9
2
Np
name
(237)
94 2
8
18
32
24
8
2
Pu
name
(244)
95 2
8
18
32
25
8
2
Am
name
(243)
96 2
8
18
32
25
9
2
Cm
name
(247)
97 2
8
18
32
27
8
2
Bk
name
(247)
98 2
8
18
32
28
8
2
Cf
name
(251)
99 2
8
18
32
29
8
2
Es
name
(252)
100 2
8
18
32
30
8
2
Fm
name
(257)
101 2
8
18
32
31
8
2
Md
name
(258)
102 2
8
18
32
32
8
2
No
name
[259]
103 2
8
18
32
32
8
3
Lr
name
[266]





























    
шведско-русский словарь, грузинский словарь, сборка мебели в Москве