Groupes:


Affichage:
1
H
1,00794(7)
2
He
4,00260(2)
3
Li
6,941(2)
4
Be
9,012182(3)
5
B
10,811(7)
6
C
12,0107(8)
7
N
14,00674(7)
8
O
15,9994(3)
9
F
18,9984032(5)
10
Ne
20,1797(6)
11
Na
22,9897(2)
12
Mg
24,3050(6)
13
Al
26,9815386(8)
14
Si
28,0855(3)
15
P
30,973762(2)
16
S
32,066(6)
17
Cl
35,4527(9)
18
Ar
39,948(1)
19
K
39,0983(1)
20
Ca
40,078(4)
21
Sc
44,955912(6)
22
Ti
47,867(1)
23
V
50,9415(1)
24
Cr
51,9961(6)
25
Mn
54,938045(5)
26
Fe
55,845(2)
27
Co
58,933195(5)
28
Ni
58,6934(2)
29
Cu
63,546(3)
30
Zn
65,39(2)
31
Ga
69,723(1)
32
Ge
72,61(2)
33
As
74,92160(2)
34
Se
78,96(3)
35
Br
79,904(1)
36
Kr
83,80(1)
37
Rb
85,4678(3)
38
Sr
87,62(1)
39
Y
88,90585(2)
40
Zr
91,224(2)
41
Nb
92,90638(2)
42
Mo
95,94(1)
43
Tc
[97,9072]
44
Ru
101,07(2)
45
Rh
102,90550(2)
46
Pd
106,42(1)
47
Ag
107,8682(2)
48
Cd
112,411(8)
49
In
114,818(3)
50
Sn
118,710(7)
51
Sb
121,760(1)
52
Te
127,60(3)
53
I
126,90447(3)
54
Xe
131,29(2)
55
Cs
132,9054(2)
56
Ba
137,327(7)
57-71
*
72
Hf
178,49(2)
73
Ta
180,94788(2)
74
W
183,84(1)
75
Re
186,207(1)
76
Os
190,23(3)
77
Ir
192,217(3)
78
Pt
195,084(9)
79
Au
196,966569(4)
80
Hg
200,59(2)
81
Tl
204,3833(2)
82
Pb
207,2(1)
83
Bi
208,98040(1)
84
Po
[208,9824]
85
At
[209,9871]
86
Rn
[222,0176]
87
Fr
[223,0197]
88
Ra
[226,0254]
89-103
**
104
Rf
[263,1125]
105
Db
[262,1144]
106
Sg
[266,1219]
107
Bh
[264,1247]
108
Hs
[269,1341]
109
Mt
[268,1388]
110
Ds
[272,1463]
111
Rg
[272,1535]
112
Cn
[277]
113
Nh
[284]
114
Fl
[289]
115
Mc
[288]
116
Lv
[292]
117
Ts
[292]
118
Og
[294]
Lanthanides  57
La
138,90547(7)
58
Ce
140,116(1)
59
Pr
140,90765(2)
60
Nd
144,242(3)
61
Pm
[144,9127]
62
Sm
150,36(2)
63
Eu
151,964(1)
64
Gd
157,25(3)
65
Tb
158,92535(2)
66
Dy
162,500(1)
67
Ho
164,93032(2)
68
Er
167,259(3)
69
Tm
168,93421(2)
70
Yb
173,04(3)
71
Lu
174,967(1)
**  Actinides  89
Ac
227
90
Th
232,03806
91
Pa
231,03588
92
U
238,02891
93
Np
237
94
Pu
244,06
95
Am
241,06
96
Cm
247
97
Bk
247
98
Cf
251
99
Es
252
100
Fm
257
101
Md
258
102
No
259
103
Lr
(262)