Tavola Elementi

2 He Elio 4,0026022 K 2 3 Li Litio 6,9412
1 4 Be Berillio 9,0121822
2 5 B Boro 10,8112
3 6 C Carbonio 12,01072
4 7 N Azoto 14,00672
5 8 O Ossigeno 15,99942
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 28,08552
8
4 15 P Fosforo 30,9737622
8
5 16 S Zolfo 32,0652
8
6 17 Cl Cloro 35,4532
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 74,92162
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 102,90552
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 118,712
8
18
18
4 51 Sb Antimonio 121,762
8
18
18
5 52 Te Tellurio 127,62
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 204,38332
8
18
32
18
3 82 Pb Piombo 207,22
8
18
32
18
4 83 Bi Bismuto 208,98042
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 Ununquadio (289)2
8
18
32
32
18
4 115 Uup Ununpentio (288)2
8
18
32
32
18
5 116 Lv Ununhexio (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. Tavola Periodica Design & Interface Copyright © 1997 Michael Dayah. Ptable.com Ultimo aggiornamento 12/feb/2012  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 162,52
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