Periodensystem
Gruppe |
I |
II |
|
IIIb |
IVb |
Vb |
VIb |
VIIb |
VIIIb |
Ib |
IIb |
III |
IV |
V |
VI |
VII |
VIII |
Periode |
s1 |
s2 |
|
d1 |
d2 |
d3 |
d4 |
d5 |
d6 |
d7 |
d8 |
d9 |
d10 |
p1 |
p2 |
p3 |
p4 |
p5 |
p6 s2 |
1 |
1 H
1,007 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2
He
4,0 |
2 |
3
Li
6,941 |
4
Be
9,012 |
|
|
|
|
|
|
|
|
|
|
|
5
B
10,81 |
6
C
12,01 |
7
N
14,0 |
8
O
15,99 |
9
F
18,99 |
10
Ne
20,17 |
3 |
11
Na
22,98 |
12
Mg
24,30 |
|
|
|
|
|
|
|
|
|
|
|
13
Al
26,98 |
14
Si
28,08 |
15
P
30,97 |
16
S
32,066 |
17
Cl
35,45 |
18
Ar
39,948 |
4 |
19
K
39,08 |
20
Ca
40,078 |
|
21
Sc
44,95 |
22
Ti
47,867 |
23
V
50,94 |
24
Cr
51,99 |
25
Mn
54,93 |
26
Fe
55,845 |
27
Co
58,93 |
28
Ni
58,69 |
29
Cu
63,546 |
30
Zn
65,39 |
31
Ga
69,723 |
32
Ge
72,61 |
33
As
74,92 |
34
Se
78,96 |
35
Br
79,904 |
36
Kr
83,80 |
5 |
37
Rb
85,46 |
38
Sr
87,62 |
|
39
Y
88,90 |
40
Zr
91,224 |
41
Nb
92,90 |
42
Mo
95,94 |
43
Tc
97,90 |
44
Ru
101,07 |
45
Rh
102,90 |
46
Pd
106,42 |
47
Ag
107,86 |
48
Cd
112,41 |
49
In
114,81 |
50
Sn
118,71 |
51
Sb
121,76 |
52
Te
127,60 |
53
I
126,90 |
54
Xe
131,29 |
6 |
55
Cs
132, 9 |
56
Ba
137,32 |
* |
71
Lu
174,96 |
72
Hf
178,49 |
73
Ta
180,94 |
74
W
183,84 |
75
Re
186,20 |
76
Os
190,23 |
77
Ir
192,21 |
78
Pt
195,07 |
79
Au
196,96 |
80
Hg
200,59 |
81
Tl
204,38 |
82
Pb
207,2 |
83
Bi
208,980 |
84
Po
208,982 |
85
At
209,98 |
86
Rn
222,01 |
7 |
87
Fr
223,01 |
88
Ra
226,02 |
* |
103
Lr
262,10 |
104
Rf
261,10 |
105
Db
262,11 |
106
Sg
266,12 |
107
Bh
264,12 |
108
Hs
269,13 |
109
Mt
268,13 |
110
273,14 |
111
272,15 |
112
277 |
113 |
114 |
115 |
116 |
117 |
118 |
  |
|
f1 |
f2 |
f3 |
f4 |
f5 |
f6 |
f7 |
f8 |
f9 |
f10 |
f11 |
f12 |
f13 |
f14 |
|
|
6 |
Lanthanoide |
* |
57
La
138,90 |
58 Ce 140,11 |
59
Pr
140,90 |
60
Nd
144,24 |
61
Pm
144,91 |
62
Sm
150,36 |
63
Eu
151,96 |
64
Gd
157,25 |
65
Tb
158,92 |
66
Dy
162,50 |
67
Ho
164,93 |
68
Er
167,26 |
69
Tm
168,93 |
70
Yb
173,04 |
|
|
7 |
Actinoide |
* |
89
Ac
227,02 |
90
Th
232,03 |
91
Pa
231,03 |
92
U
238,02 |
93
Np
237,04 |
94
Pu
244,06 |
95Am
243,06 |
96
Cm
247,07 |
97
Bk
247,07 |
98
Cf
251,07 |
99
Es
252,08 |
100Fm
257,09 |
101Md
258,09 |
102
No
259,10 |
|
|