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