Det periodiske system by René Jensen
1
1,007947
H
Hydrogen
                2
4,0026022
He
Helium
3
6,9412
Li
Lithium
4
9,0121823
Be
Beryllium
          5
10,8115
B
Bor
6
12,0111
C
Carbon
7
14,006747
N
Nitrogen
8
15,99943
O
Oxygen
9
18,99840329
F
Fluor
10
20,17976
Ne
Neon
11
22,9897686
Na
Natrium
12
24,30506
Mg
Magnesium
          13
26,39715395
Al
Aluminium
14
28,08553
Si
Silicium
15
30,9737624
P
Phosphor
16
32,0666
S
Svovl
17
35,45279
Cl
Chlor
18
39,9481
Ar
Argon
19
39,9831
K
Kalium
20
40,0784
Ca
Calium
21
44,9559109
Sc
Scandium
22
47,883
Ti
Titan
23
50,94151
V
Vanadium
24
51,99616
Cr
Chrom
25
54,938051
Ma
Mangan
26
55,8473
Fe
Jern
27
58,933201
Co
Cobalt
28
58,69342
Ni
Nikkel
29
63,5463
Cu
Kobber
30
65,392
Zn
Zink
31
69,7231
Ga
Gallium
32
72,612
Ge
Germanium
33
74,921592
As
Arsen
34
78,963
Se
Selen
35
79,9041
Br
Brom
36
83,801
Kr
Krypton
37
85,46783
Rb
Rubidium
38
87,621
Sr
Strontium
39
88,905852
Y
Yttrium
40
91,2242
Zr
Zirconium
41
92,906382
Nb
Niobium
42
95,941
Mo
Molybden
43
98
Tc
Technetium
44
101,072
Ru
Ruthenium
45
102,905503
Rh
Rhodium
46
106,421
Pd
Palladium
47
107,86822
Ag
Sølv
48
112,4118
Cd
Cadmium
49
114,8183
In
Indium
50
118,7107
Sn
Tin
51
121,7573
Sb
Antimon
52
127,603
Te
Tellur
53
126,904473
I
Iod
54
131,292
Xe
Xenon
55
132,905435
Ce
Cæsium
56
137,3277
Ba
Barium
57
138,90552
La
Lanthan
72
178,492
Hf
Hafnium
73
180,94791
Ta
Tantal
74
183,841
W
Wolfram
75
186,2071
Re
Rhenium
76
190,233
Os
Osmium
77
192,223
Ir
Iridium
78
195,083
Pt
Platin
79
196,966543
Au
Guld
80
200,592
Hg
Kviksølv
81
204,38332
TI
Thallium
82
207,21
Pb
Bly
83
208,980373
Bi
Bismuth
84
209
Po
Polonium
85
210
At
Astat
86
222
Rn
Radon
87
223
Fr
Francium
88
226
Ra
Radium
89
227
Ac
Actinium
104
261
Rf
Rutherfordium
105
262
Db
Dubnium
106
263
Sg
Seaborgium
107
262
Bh
Bohnium
108
265
Hs
Hassium
109
267
Mt
Meitnerium
110
269
Uun
Ununnilium
111
272
Uuu
Unununium
112
277
Uub
Ununbium
      
                  
58
140,1154
Ce
Cerium
59
140,907653
Pr
Praseodymium
60
144,243
Nd
Neodym
61
145
Pm
Promethium
62
150,363
Sm
Samarium
63
151,9659
Eu
Europium
64
157,253
Gd
Gadolium
65
158,925343
Tb
Terbium
66
162,503
Dy
Dysprosium
67
164,930323
Ho
Holmium
68
167,263
Er
Erbium
69
168,934213
Tn
Thulium
70
173,043
Yb
Ytterbium
71
174,9671
Lu
Lutetium
90
232,03811
Th
Thorium
91
231,035882
Pa
Protactinium
92
238,0289
U
Uran
93
237,048
Np
Neptunium
94
195,083
Pu
Platonium
95
243
Am
Americium
96
140,1154
Cm
Curium
97
247
Bk
Berkelium
98
251
Cf
Californium
99
254
Es
Einsteinium
100
257
Fm
Fermium
101
258
Md
Mendelevium
102
259
No
Nobelium
103
262
Lr
Lawrencium