Periodiska Systemet

Includes interactive visualizations, properties, orbitals, isotopes, and compound mixing.
Don't like ads? No problem! You're still welcome to use the site. If you find it especially useful, please consider making a $1 monthly donation. If this works out, we'll get rid of ads for everyone. I donated; hide this message.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pnictogens 16 Chalcogens 17 Halogener 18
1 1 H Väte 1,0081 Atomic # Tecken Namn Atomvikt


C Fast
Hg Flytande
H Gasformig
Rf Okänd
Metall Metalloid Icke-metaller
Alkalimetaller Alkaliska jordmetaller Lantanoider Övergångsmetaller Post-transition metals Icke-metaller Ädelgaser
Aktinider
Kelvin
°Celsius
°Fahrenheit
7s
6s
5s
4s
3s
2s
1s
7p
6p
5p
4p
3p
2p
6d
5d
4d
3d
=
m=
n=
5f
4f
s
p
d
f
α Alfasönderfall β− Betasönderfall
p Proton emission β+ Positron emission
n Neutronemission K+ Elektroninfångning
SF Spontan fission   Stabil
2 He Helium 4,00262 K
2 3 Li Litium 6,942
1
4 Be Beryllium 9,01222
2
5 B Bor 10,812
3
6 C Kol 12,0112
4
7 N Kväve 14,0072
5
8 O Syre 15,9992
6
9 F Fluor 18,9982
7
10 Ne Neon 20,1802
8
K
L
3 11 Na Natrium 22,9902
8
1
12 Mg Magnesium 24,3052
8
2
13 Al Aluminium 26,9822
8
3
14 Si Kisel 28,0852
8
4
15 P Fosfor 30,9742
8
5
16 S Svavel 32,062
8
6
17 Cl Klor 35,452
8
7
18 Ar Argon 39,9482
8
8
K
L
M
4 19 K Kalium 39,0982
8
8
1
20 Ca Kalcium 40,0782
8
8
2
21 Sc Skandium 44,9562
8
9
2
22 Ti Titan 47,8672
8
10
2
23 V Vanadin 50,9422
8
11
2
24 Cr Krom 51,9962
8
13
1
25 Mn Mangan 54,9382
8
13
2
26 Fe Järn 55,8452
8
14
2
27 Co Kobolt 58,9332
8
15
2
28 Ni Nickel 58,6932
8
16
2
29 Cu Koppar 63,5462
8
18
1
30 Zn Zink 65,382
8
18
2
31 Ga Gallium 69,7232
8
18
3
32 Ge Germanium 72,6302
8
18
4
33 As Arsenik 74,9222
8
18
5
34 Se Selen 78,9712
8
18
6
35 Br Brom 79,9042
8
18
7
36 Kr Krypton 83,7982
8
18
8
K
L
M
N
5 37 Rb Rubidium 85,4682
8
18
8
1
38 Sr Strontium 87,622
8
18
8
2
39 Y Yttrium 88,9062
8
18
9
2
40 Zr Zirkonium 91,2242
8
18
10
2
41 Nb Niob 92,9062
8
18
12
1
42 Mo Molybden 95,952
8
18
13
1
43 Tc Teknetium (98)2
8
18
13
2
44 Ru Rutenium 101,072
8
18
15
1
45 Rh Rodium 102,912
8
18
16
1
46 Pd Palladium 106,422
8
18
18
47 Ag Silver 107,872
8
18
18
1
48 Cd Kadmium 112,412
8
18
18
2
49 In Indium 114,822
8
18
18
3
50 Sn Tenn 118,712
8
18
18
4
51 Sb Antimon 121,762
8
18
18
5
52 Te Tellur 127,602
8
18
18
6
53 I Jod 126,902
8
18
18
7
54 Xe Xenon 131,292
8
18
18
8
K
L
M
N
O
6 55 Cs Cesium 132,912
8
18
18
8
1
56 Ba Barium 137,332
8
18
18
8
2
57–71 72 Hf Hafnium 178,492
8
18
32
10
2
73 Ta Tantal 180,952
8
18
32
11
2
74 W Volfram 183,842
8
18
32
12
2
75 Re Rhenium 186,212
8
18
32
13
2
76 Os Osmium 190,232
8
18
32
14
2
77 Ir Iridium 192,222
8
18
32
15
2
78 Pt Platina 195,082
8
18
32
17
1
79 Au Guld 196,972
8
18
32
18
1
80 Hg Kvicksilver 200,592
8
18
32
18
2
81 Tl Tallium 204,382
8
18
32
18
3
82 Pb Bly 207,22
8
18
32
18
4
83 Bi Vismut 208,982
8
18
32
18
5
84 Po Polonium (209)2
8
18
32
18
6
85 At Astat (210)2
8
18
32
18
7
86 Rn Radon (222)2
8
18
32
18
8
K
L
M
N
O
P
7 87 Fr Francium (223)2
8
18
32
18
8
1
88 Ra Radium (226)2
8
18
32
18
8
2
89–103 104 Rf Rutherfordium (267)2
8
18
32
32
10
2
105 Db Dubnium (268)2
8
18
32
32
11
2
106 Sg Seaborgium (269)2
8
18
32
32
12
2
107 Bh Bohrium (270)2
8
18
32
32
13
2
108 Hs Hassium (277)2
8
18
32
32
14
2
109 Mt Meitnerium (278)2
8
18
32
32
15
2
110 Ds Darmstadtium (281)2
8
18
32
32
17
1
111 Rg Röntgenium (282)2
8
18
32
32
17
2
112 Cn Copernicium (285)2
8
18
32
32
18
2
113 Nh Nihonium (286)2
8
18
32
32
18
3
114 Fl Flerovium (289)2
8
18
32
32
18
4
115 Mc Moscovium (290)2
8
18
32
32
18
5
116 Lv Livermorium (293)2
8
18
32
32
18
6
117 Ts Tennessine (294)2
8
18
32
32
18
7
118 Og Oganesson (294)2
8
18
32
32
18
8
K
L
M
N
O
P
Q
Atommassor inom parentes är ämnets vanligaste eller stabilaste isotop.
57 La Lantan 138,912
8
18
18
9
2
58 Ce Cerium 140,122
8
18
19
9
2
59 Pr Praseodym 140,912
8
18
21
8
2
60 Nd Neodym 144,242
8
18
22
8
2
61 Pm Prometium (145)2
8
18
23
8
2
62 Sm Samarium 150,362
8
18
24
8
2
63 Eu Europium 151,962
8
18
25
8
2
64 Gd Gadolinium 157,252
8
18
25
9
2
65 Tb Terbium 158,932
8
18
27
8
2
66 Dy Dysprosium 162,502
8
18
28
8
2
67 Ho Holmium 164,932
8
18
29
8
2
68 Er Erbium 167,262
8
18
30
8
2
69 Tm Tulium 168,932
8
18
31
8
2
70 Yb Ytterbium 173,052
8
18
32
8
2
71 Lu Lutetium 174,972
8
18
32
9
2
89 Ac Aktinium (227)2
8
18
32
18
9
2
90 Th Torium 232,042
8
18
32
18
10
2
91 Pa Protaktinium 231,042
8
18
32
20
9
2
92 U Uran 238,032
8
18
32
21
9
2
93 Np Neptunium (237)2
8
18
32
22
9
2
94 Pu Plutonium (244)2
8
18
32
24
8
2
95 Am Americium (243)2
8
18
32
25
8
2
96 Cm Curium (247)2
8
18
32
25
9
2
97 Bk Berkelium (247)2
8
18
32
27
8
2
98 Cf Californium (251)2
8
18
32
28
8
2
99 Es Einsteinium (252)2
8
18
32
29
8
2
100 Fm Fermium (257)2
8
18
32
30
8
2
101 Md Mendelevium (258)2
8
18
32
31
8
2
102 No Nobelium (259)2
8
18
32
32
8
2
103 Lr Lawrencium (266)2
8
18
32
32
8
3

Wikipedia - - Periodiska Systemet

Periodiska Systemet Chemical Element Loading…