Alkuaineiden Jaksollinen Järjestelmä

Includes interactive visualizations, properties, orbitals, isotopes, and compound mixing.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pnictogens 16 Chalcogens 17 Halogeenit 18
1 1 H Vety 1,0081 Atomic # Symbol Nimen Weight


C Kiinteä
Hg Neste
H Kaasu
Rf Tuntematon
Metalli Puolimetallit Muut epämetallit
Alkalimetallit Maa-alkalimetallit Lantanoidit Siirtymäalkuaineet Post-transition metals Muut epämetallit Jalokaasut
Aktinoidit
Kelvin
°Celsiusaste
°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 Alfahajoaminen β− Beetahajoaminen
p Protoniemissio β+ Positroniemissio
n Neutroniemissio K+ Elektronin sieppaus
SF Spontaani fissio   Vakaa
2 He Helium 4,00262 K
2 3 Li Litium 6,942
1
4 Be Beryllium 9,01222
2
5 B Boori 10,812
3
6 C Hiili 12,0112
4
7 N Typpi 14,0072
5
8 O Happi 15,9992
6
9 F Fluori 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 Alumiini 26,9822
8
3
14 Si Pii 28,0852
8
4
15 P Fosfori 30,9742
8
5
16 S Rikki 32,062
8
6
17 Cl Kloori 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 Kalsium 40,0782
8
8
2
21 Sc Skandium 44,9562
8
9
2
22 Ti Titaani 47,8672
8
10
2
23 V Vanadiini 50,9422
8
11
2
24 Cr Kromi 51,9962
8
13
1
25 Mn Mangaani 54,9382
8
13
2
26 Fe Rauta 55,8452
8
14
2
27 Co Koboltti 58,9332
8
15
2
28 Ni Nikkeli 58,6932
8
16
2
29 Cu Kupari 63,5462
8
18
1
30 Zn Sinkki 65,382
8
18
2
31 Ga Gallium 69,7232
8
18
3
32 Ge Germanium 72,6302
8
18
4
33 As Arseeni 74,9222
8
18
5
34 Se Seleeni 78,9712
8
18
6
35 Br Bromi 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 Niobium 92,9062
8
18
12
1
42 Mo Molybdeeni 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 Hopea 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 Tina 118,712
8
18
18
4
51 Sb Antimoni 121,762
8
18
18
5
52 Te Telluuri 127,602
8
18
18
6
53 I Jodi 126,902
8
18
18
7
54 Xe Ksenon 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 Tantaali 180,952
8
18
32
11
2
74 W Volframi 183,842
8
18
32
12
2
75 Re Renium 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 Kulta 196,972
8
18
32
18
1
80 Hg Elohopea 200,592
8
18
32
18
2
81 Tl Tallium 204,382
8
18
32
18
3
82 Pb Lyijy 207,22
8
18
32
18
4
83 Bi Vismutti 208,982
8
18
32
18
5
84 Po Polonium (209)2
8
18
32
18
6
85 At Astatiini (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 Frankium (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 Kopernikium (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
Alkuaineilla, joilla ei ole pysyvää isotooppia, pysyvimmän isotoopin massaluku on merkitty sulkuihin.
57 La Lantaani 138,912
8
18
18
9
2
58 Ce Cerium 140,122
8
18
19
9
2
59 Pr Praseodyymi 140,912
8
18
21
8
2
60 Nd Neodyymi 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 Uraani 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 Amerikium (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 Kalifornium (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

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