Periodensystem
1
1.01
H
Wasserstoff
2
4.00
He
Helium
3
6.94
Li
Lithium
4
9.01
Be
Beryllium
5
10.81
B
Bor
6
12.01
C
Kohlenstoff
7
14.01
N
Stickstoff
8
16.00
O
Sauerstoff
9
19.00
F
Fluor
10
20.18
Ne
Neon
11
22.99
Na
Natrium
12
24.30
Mg
Magnesium
13
26.98
Al
Aluminium
14
28.09
Si
Silicium
15
30.97
P
Phosphor
16
32.06
S
Schwefel
17
35.45
Cl
Chlor
18
39.95
Ar
Argon
19
39.10
K
Kalium
20
40.08
Ca
Calcium
21
44.96
Sc
Scandium
22
47.87
Ti
Titan
23
50.94
V
Vanadium
24
52.00
Cr
Chrom
25
54.94
Mn
Mangan
26
55.84
Fe
Eisen
27
58.93
Co
Cobalt
28
58.69
Ni
Nickel
29
63.55
Cu
Kupfer
30
65.38
Zn
Zink
31
69.72
Ga
Gallium
32
72.63
Ge
Germanium
33
74.92
As
Arsen
34
78.97
Se
Selen
35
79.90
Br
Brom
36
83.80
Kr
Krypton
37
85.47
Rb
Rubidium
38
87.62
Sr
Strontium
39
88.91
Y
Yttrium
40
91.22
Zr
Zirconium
41
92.91
Nb
Niob
42
95.95
Mo
Molybdän
43
97.91
Tc
Technetium
44
101.07
Ru
Ruthenium
45
102.91
Rh
Rhodium
46
106.42
Pd
Palladium
47
107.87
Ag
Silber
48
112.41
Cd
Cadmium
49
114.82
In
Indium
50
118.71
Sn
Zinn
51
121.76
Sb
Antimon
52
127.60
Te
Tellur
53
126.90
I
Iod
54
131.29
Xe
Xenon
55
132.91
Cs
Cäsium
56
137.33
Ba
Barium
71
174.97
Lu
Lutetium
72
178.49
Hf
Hafnium
73
180.95
Ta
Tantal
74
183.84
W
Wolfram
75
186.21
Re
Rhenium
76
190.23
Os
Osmium
77
192.22
Ir
Iridium
78
195.08
Pt
Platin
79
196.97
Au
Gold
80
200.59
Hg
Quecksilber
81
204.38
Tl
Thallium
82
207.20
Pb
Blei
83
208.98
Bi
Bismut
84
209.00
Po
Polonium
85
210.00
At
Astat
86
222.00
Rn
Radon
87
223.00
Fr
Francium
88
226.00
Ra
Radium
103
262.00
Lr
Lawrencium
104
267.00
Rf
Rutherfordium
105
268.00
Db
Dubnium
106
271.00
Sg
Seaborgium
107
274.00
Bh
Bohrium
108
269.00
Hs
Hassium
109
276.00
Mt
Meitnerium
110
281.00
Ds
Darmstadtium
111
281.00
Rg
Roentgenium
112
285.00
Cn
Copernicium
113
286.00
Nh
Nihonium
114
289.00
Fl
Flerovium
115
288.00
Mc
Moscovium
116
293.00
Lv
Livermorium
117
294.00
Ts
Tenness
118
294.00
Og
Oganesson
*
57-71
**
89-103
* Lanthanides
57
138.91
La
Lanthan
58
140.12
Ce
Cer
59
140.91
Pr
Praseodym
60
144.24
Nd
Neodym
61
144.91
Pm
Promethium
62
150.36
Sm
Samarium
63
151.96
Eu
Europium
64
157.25
Gd
Gadolinium
65
158.93
Tb
Terbium
66
162.50
Dy
Dysprosium
67
164.93
Ho
Holmium
68
167.26
Er
Erbium
69
168.93
Tm
Thulium
70
173.04
Yb
Ytterbium
** Actinides
89
227.00
Ac
Actinium
90
232.04
Th
Thorium
91
231.04
Pa
Protactinium
92
238.03
U
Uran
93
237.00
Np
Neptunium
94
244.00
Pu
Plutonium
95
243.00
Am
Americium
96
247.00
Cm
Curium
97
247.00
Bk
Berkelium
98
251.00
Cf
Californium
99
252.00
Es
Einsteinium
100
257.00
Fm
Fermium
101
258.00
Md
Mendelevium
102
259.00
No
Nobelium