Periodiska systemet och grundämnen

 
 
 
 
 
Exempel:
Ex:
 
 
 
 
 
 
 
 
 
99
Es
Einsteinium
252
← Atomnummer
← Kemiskt tecken
← Kem. tecken
← Grundämne
← Atommassa [u]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Färgekoder:
Färgkod
Okända kemiska egenskaper
Okända kemiska egenskaper
Icke-metaller
Icke-metaller
Icke-metaller
Icke-metaller
Andra metaller
Andra metaller
Alkaliska jordartsmetaller
Alkaliska jordartsmetaller
Transitionsmetaller
Transitionsmetaller
Alkalimetaller
Alkalimetaller
Lantanoider
Lantanoider
Aktinoider
Aktinoider
Halvmetaller
Halvmetaller
Ädelgaser
Ädelgaser
 
 
 
Atomnr.
Kem. tecken
Grundämne
Atommassa
1
H
Väte
1.0079 u
2
He
Helium
4.0026 u
3
Li
Litium
6.941 u
4
Be
Beryllium
9.0122 u
5
B
Bor
10.811 u
6
C
Kol
12.0107 u
7
N
Kväve
14.0067 u
8
O
Syre
15.9994 u
9
F
Fluor
18.9984 u
10
Ne
Neon
20.1797 u
11
Na
Natrium
22.9898 u
12
Mg
Magnesium
24.305 u
13
Al
Aluminium
26.9815 u
14
Si
Kisel
28.0855 u
15
P
Fosfor
30.9738 u
16
S
Svavel
32.065 u
17
Cl
Klor
35.453 u
18
Ar
Argon
39.948 u
19
K
Kalium
39.0983 u
20
Ca
Kalcium
40.078 u
21
Sc
Skandium
44.9559 u
22
Ti
Titan
47.867 u
23
V
Vanadin
50.9415 u
24
Cr
Krom
51.9961 u
25
Mn
Mangan
54.938 u
26
Fe
Järn
55.845 u
27
Co
Kobolt
58.9332 u
28
Ni
Nickel
58.6934 u
29
Cu
Koppar
63.546 u
30
Zn
Zink
65.38 u
31
Ga
Gallium
69.723 u
32
Ge
Germanium
72.63 u
33
As
Arsenik
74.9216 u
34
Se
Selen
78.96 u
35
Br
Brom
79.904 u
36
Kr
Krypton
83.798 u
37
Rb
Rubidium
85.4678 u
38
Sr
Strontium
87.62 u
39
Y
Yttrium
88.9059 u
40
Zr
Zirkonium
91.224 u
41
Nb
Niob
92.9064 u
42
Mo
Molybden
95.96 u
43
Tc
Teknetium
98 u
44
Ru
Rutenium
101.07 u
45
Rh
Rodium
102.9055 u
46
Pd
Palladium
106.42 u
47
Ag
Silver
107.8682 u
48
Cd
Kadmium
112.411 u
49
In
Indium
114.818 u
50
Sn
Tenn
118.71 u
51
Sb
Antimon
121.76 u
52
Te
Tellur
127.6 u
53
I
Jod
126.9045 u
54
Xe
Xenon
131.293 u
55
Cs
Cesium
132.9055 u
56
Ba
Barium
137.327 u
57
La
Lantan
138.9055 u
58
Ce
Cerium
140.116 u
59
Pr
Praseodym
140.9077 u
60
Nd
Neodym
144.242 u
61
Pm
Prometium
145 u
62
Sm
Samarium
150.36 u
63
Eu
Europium
151.964 u
64
Gd
Gadolinium
157.25 u
65
Tb
Terbium
158.9254 u
66
Dy
Dysprosium
162.5 u
67
Ho
Holmium
164.9303 u
68
Er
Erbium
167.259 u
69
Tm
Tulium
168.9342 u
70
Yb
Ytterbium
173.054 u
71
Lu
Lutetium
174.9668 u
72
Hf
Hafnium
178.49 u
73
Ta
Tantal
180.9479 u
74
W
Volfram
183.84 u
75
Re
Rhenium
186.207 u
76
Os
Osmium
190.23 u
77
Ir
Iridium
192.217 u
78
Pt
Platina
195.084 u
79
Au
Guld
196.9666 u
80
Hg
Kvicksilver
200.59 u
81
Tl
Tallium
204.3833 u
82
Pb
Bly
207.2 u
83
Bi
Vismut
208.9804 u
84
Po
Polonium
209 u
85
At
Astat
210 u
86
Rn
Radon
222 u
87
Fr
Francium
223 u
88
Ra
Radium
226 u
89
Ac
Aktinium
227 u
90
Th
Torium
232.0381 u
91
Pa
Protaktinium
231.0359 u
92
U
Uran
238.0289 u
93
Np
Neptunium
237 u
94
Pu
Plutonium
244 u
95
Am
Americium
243 u
96
Cm
Curium
247 u
97
Bk
Berkelium
247 u
98
Cf
Californium
251 u
99
Es
Einsteinium
252 u
100
Fm
Fermium
257 u
101
Md
Mendelevium
258 u
102
No
Nobelium
259 u
103
Lr
Lawrencium
266 u
104
Rf
Rutherfordium
267 u
105
Db
Dubnium
268 u
106
Sg
Seaborgium
269 u
107
Bh
Bohrium
270 u
108
Hs
Hassium
269 u
109
Mt
Meitnerium
278 u
110
Ds
Darmstadtium
281 u
111
Rg
Röntgenium
281 u
112
Cn
Copernicium
285 u
113
Nh
Nihonium
286 u
114
Fl
Flerovium
289 u
115
Mc
Moscovium
289 u
116
Lv
Livermorium
293 u
117
Ts
Tenness
294 u
118
Og
Oganesson
294 u