Tavola Periodica degli Elementi

Includes interactive visualizations, properties, orbitals, isotopes, and compound mixing.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 1 H Idrogeno 1,0081 Atomic # Simbolo Nome Weight


C Solidi
Hg Liquidi
H Gas
Rf Sconosciuto
Metallo Nonmetalli
Metalli alcalini Metalli alcalino terrosi Lantanidi Metalli del blocco d Post-transition metals Semimetalli Nonmetalli Alogeni Gas nobili
Attinidi
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 Decadimento alfa β− Decadimento beta
p Proton emission β+ Positron emission
n Neutron emission K+ Cattura elettronica
SF Spontaneous fission   Stable
2 He Elio 4,0026022 K
2 3 Li Litio 6,942
1
4 Be Berillio 9,0121822
2
5 B Boro 10,812
3
6 C Carbonio 12,0112
4
7 N Azoto 14,0072
5
8 O Ossigeno 15,9992
6
9 F Fluoro 18,99840322
7
10 Ne Neon 20,17972
8
K
L
3 11 Na Sodio 22,989769282
8
1
12 Mg Magnesio 24,3052
8
2
13 Al Alluminio 26,98153862
8
3
14 Si Silicio 28,0852
8
4
15 P Fosforo 30,9737622
8
5
16 S Zolfo 32,062
8
6
17 Cl Cloro 35,452
8
7
18 Ar Argon 39,9482
8
8
K
L
M
4 19 K Potassio 39,09832
8
8
1
20 Ca Calcio 40,0782
8
8
2
21 Sc Scandio 44,9559122
8
9
2
22 Ti Titanio 47,8672
8
10
2
23 V Vanadio 50,94152
8
11
2
24 Cr Cromo 51,99612
8
13
1
25 Mn Manganese 54,9380452
8
13
2
26 Fe Ferro 55,8452
8
14
2
27 Co Cobalto 58,9331952
8
15
2
28 Ni Nichel 58,69342
8
16
2
29 Cu Rame 63,5462
8
18
1
30 Zn Zinco 65,382
8
18
2
31 Ga Gallio 69,7232
8
18
3
32 Ge Germanio 72,632
8
18
4
33 As Arsenico 74,921602
8
18
5
34 Se Selenio 78,962
8
18
6
35 Br Bromo 79,9042
8
18
7
36 Kr Kripton 83,7982
8
18
8
K
L
M
N
5 37 Rb Rubidio 85,46782
8
18
8
1
38 Sr Stronzio 87,622
8
18
8
2
39 Y Ittrio 88,905852
8
18
9
2
40 Zr Zirconio 91,2242
8
18
10
2
41 Nb Niobio 92,906382
8
18
12
1
42 Mo Molibdeno 95,962
8
18
13
1
43 Tc Tecnezio (98)2
8
18
13
2
44 Ru Rutenio 101,072
8
18
15
1
45 Rh Rodio 102,905502
8
18
16
1
46 Pd Palladio 106,422
8
18
18
47 Ag Argento 107,86822
8
18
18
1
48 Cd Cadmio 112,4112
8
18
18
2
49 In Indio 114,8182
8
18
18
3
50 Sn Stagno 118,7102
8
18
18
4
51 Sb Antimonio 121,7602
8
18
18
5
52 Te Tellurio 127,602
8
18
18
6
53 I Iodio 126,904472
8
18
18
7
54 Xe Xeno 131,2932
8
18
18
8
K
L
M
N
O
6 55 Cs Cesio 132,90545192
8
18
18
8
1
56 Ba Bario 137,3272
8
18
18
8
2
57–71 72 Hf Afnio 178,492
8
18
32
10
2
73 Ta Tantalio 180,947882
8
18
32
11
2
74 W Tungsteno 183,842
8
18
32
12
2
75 Re Renio 186,2072
8
18
32
13
2
76 Os Osmio 190,232
8
18
32
14
2
77 Ir Iridio 192,2172
8
18
32
15
2
78 Pt Platino 195,0842
8
18
32
17
1
79 Au Oro 196,9665692
8
18
32
18
1
80 Hg Mercurio 200,592
8
18
32
18
2
81 Tl Tallio 204,382
8
18
32
18
3
82 Pb Piombo 207,22
8
18
32
18
4
83 Bi Bismuto 208,980402
8
18
32
18
5
84 Po Polonio (209)2
8
18
32
18
6
85 At Astato (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 Francio (223)2
8
18
32
18
8
1
88 Ra Radio (226)2
8
18
32
18
8
2
89–103 104 Rf Rutherfordio (267)2
8
18
32
32
10
2
105 Db Dubnio (268)2
8
18
32
32
11
2
106 Sg Seaborgio (271)2
8
18
32
32
12
2
107 Bh Bohrio (272)2
8
18
32
32
13
2
108 Hs Hassio (270)2
8
18
32
32
14
2
109 Mt Meitnerio (276)2
8
18
32
32
15
2
110 Ds Darmstadtio (281)2
8
18
32
32
17
1
111 Rg Roentgenio (280)2
8
18
32
32
18
1
112 Cn Copernicio (285)2
8
18
32
32
18
2
113 Uut Ununtrio (284)2
8
18
32
32
18
3
114 Fl Flerovio (289)2
8
18
32
32
18
4
115 Uup Ununpentio (288)2
8
18
32
32
18
5
116 Lv Livermorio (293)2
8
18
32
32
18
6
117 Uus Ununseptio (294)2
8
18
32
32
18
7
118 Uuo Ununoctio (294)2
8
18
32
32
18
8
K
L
M
N
O
P
Q
Per gli elementi senza isotopi stabili, le masse atomiche indicate sono quelle degli isotopi più stabili o più comuni.
57 La Lantanio 138,905472
8
18
18
9
2
58 Ce Cerio 140,1162
8
18
19
9
2
59 Pr Praseodimio 140,907652
8
18
21
8
2
60 Nd Neodimio 144,2422
8
18
22
8
2
61 Pm Promezio (145)2
8
18
23
8
2
62 Sm Samario 150,362
8
18
24
8
2
63 Eu Europio 151,9642
8
18
25
8
2
64 Gd Gadolinio 157,252
8
18
25
9
2
65 Tb Terbio 158,925352
8
18
27
8
2
66 Dy Disprosio 162,5002
8
18
28
8
2
67 Ho Olmio 164,930322
8
18
29
8
2
68 Er Erbio 167,2592
8
18
30
8
2
69 Tm Tulio 168,934212
8
18
31
8
2
70 Yb Itterbio 173,0542
8
18
32
8
2
71 Lu Lutezio 174,96682
8
18
32
9
2
89 Ac Attinio (227)2
8
18
32
18
9
2
90 Th Torio 232,038062
8
18
32
18
10
2
91 Pa Protoattinio 231,035882
8
18
32
20
9
2
92 U Uranio 238,028912
8
18
32
21
9
2
93 Np Nettunio (237)2
8
18
32
22
9
2
94 Pu Plutonio (244)2
8
18
32
24
8
2
95 Am Americio (243)2
8
18
32
25
8
2
96 Cm Curio (247)2
8
18
32
25
9
2
97 Bk Berkelio (247)2
8
18
32
27
8
2
98 Cf Californio (251)2
8
18
32
28
8
2
99 Es Einsteinio (252)2
8
18
32
29
8
2
100 Fm Fermio (257)2
8
18
32
30
8
2
101 Md Mendelevio (258)2
8
18
32
31
8
2
102 No Nobelio (259)2
8
18
32
32
8
2
103 Lr Laurenzio (262)2
8
18
32
32
8
3

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