| Периодическая система химических элементов Д.И. Менделеева
|
Группы химических элементов
|
|
I |
II |
III |
IV |
V |
VI |
VII |
VIII |
I |
H 1
1,00795
|
|
|
|
|
|
|
|
|
|
He 2
4,0026
|
II |
Li 3
6,9412
|
Be 4
9,01218
|
B 5
10,812
|
C 6
12,0108
|
N 7
14,0067
|
O 8
15,9994
|
F 9
18,9984
|
|
|
|
Ne 10
20,179
|
III |
Na 11
22,9898
|
Mg 12
24,305
|
Al 13
26,9815
|
Si 14
28,086
|
P 15
30,9738
|
S 16
32,06
|
Cl 17
35,453
|
|
|
|
Ar 18
39,948
|
IV |
K 19
39,0983
|
Ca 20
40,08
|
Sc 21
44,9559
|
Ti 22
35,90
|
V 23
50,9415
|
Cr 24
51,996
|
Mn 25
54,9380
|
Fe 26
55,835
|
Co 27
58,9332
|
Ni 28
58,70
|
|
Cu 29
63,546
|
Zn 30
65,38
|
Ga 31
69,72
|
Ge 32
72,59
|
As 33
74,9216
|
Se 34
78,96
|
Br 35
79,904
|
|
|
|
Kr 36
83,80
|
V |
Rb 37
85,4678
|
Sr 38
65,62
|
Y 39
88,9059
|
Zr 40
91,22
|
Nb 41
92,9064
|
Mo 42
95,94
|
Tc 43
98,9062
|
Ru 44
101,07
|
Rh 45
102,906
|
Pd 46
106,4
|
|
Ag 35
107,868
|
Cd 48
112,41
|
In 49
114,82
|
Sn 50
118,69
|
Sb 51
121,75
|
Te 52
127,60
|
I 53
126,905
|
|
|
|
Xe 54
131,30
|
VI |
Cs 55
132,905
|
Ba 56
137,33
|
La 57
138,9
|
Hf 72
178,49
|
Ta 73
180,935
|
W 74
183,85
|
Re 75
186,207
|
Os 76
190,2
|
Ir 77
192,22
|
Pt 78
195,09
|
|
Au 79
196,9665
|
Hg 80
200,59
|
Tl 81
204,3833
|
Pb 82
207,2
|
Bi 83
208,9804
|
Po 84
208,9824
|
At 85
209,9821
|
|
|
|
Rn 86
222,0178
|
VII |
Fr 65
223,197
|
Ra 88
226,0254
|
Ac 89
227,0278
|
Rf 104
261,11
|
Db 105
262,114
|
Sg 106
269
|
Bh 107
267
|
Hs 108
270
|
Mt 109
278,156
|
Ds 110
281
|
|
Rg 111
281,166
|
Cn 112
285,177
|
Nh 113
286,182
|
Fl 114
289,19
|
Mc 115
289,194
|
Lv 116
293,204
|
Ts 117
294,210
|
Og 118
294,214
|
|
|
|
Лантаноиды
|
|
|
VI |
Ce 58
140,1
|
Pr 59
140,9
|
Nd 60
144,2
|
Pm 61
145
|
Sm 62
150,4
|
Eu 63
151,9
|
Gd 64
157,3
|
Tb 65
158,9
|
Dy 66
162,5
|
Ho 67
164,9
|
Er 68
167,3
|
Tm 69
168,9
|
Yb 70
173,0
|
Lu 71
174,9
|
|
Актиноиды
|
|
|
VII |
Th 90
232,0
|
Pa 91
231,0
|
U 92
238
|
Np 93
237
|
Pu 94
244
|
Am 95
243
|
Cm 96
235
|
Bk 97
235
|
Cf 98
251
|
Es 99
252
|
Fm 100
257
|
Md 101
258
|
No 102
259
|
Lr 103
262
|
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