tavola periodica degli elementi appendice 3 1 Ia 1 H 1.008 18 2 13 14 III a I V a 2 II a 15 V a 16 VI a 17 V II a He 4.003 3 4 5 6 7 8 9 10 Li Be B C N O F Ne 6.939 9.012 10.81 12.01 14.01 16.00 19.00 20.18 11 12 13 14 15 16 17 18 Na Mg 5 V b 6 7 V I b V IIb 8 9 V III 10 11 Ib 12 II b Al Si P S Cl Ar 39.95 28.09 30.97 32.07 35.45 24 25 26 27 28 29 30 31 32 33 34 35 36 Br Kr Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se 39.10 40.08 44.96 47.90 50.94 52.00 54.94 55.85 58.93 58.71 63.55 65,39 69.72 72.61 74.92 78.96 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe 85.47 87.62 88.91 91.22 92.91 95.94 (99) 101.1 102.9 106.4 107.9 112.4 114.8 118.7 121.8 127.6 126.9 131.3 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn 132.9 137.3 138.9 178.5 181.0 183.8 186.2 190.2 192.2 195.1 197.0 200.6 204.4 207.2 209.0 (209) (210) (222) 87 88 89 104 105 106 107 108 109 Ra Ac Rf Db Sg Bh Ns Mt 226.0 227.0 (261) (262) (263) (262) (265) (266) 61 Metalli Terrosi Fr (223) Metalli Alcalino Terrosi Ca Serie dei Metalli Alcalini K Gas Nobili 26.08 23 Alogeni 3 4 III b I V b 22.99 24.31 19 20 21 22 79.90 83.80 53 54 Serie dei Lantanidi 58 59 60 62 63 64 65 66 67 68 69 70 71 Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 140.1 140.9 14.24 (147) 150.3 152.0 155.2 158.9 12.50 164.9 167.3 168.9 173.0 175.0 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lw 232.0 (231) 238.0 (237) (242) (243) (249) (251) (254) (253) (254) (257) (247) (256) Serie degli Attinidi 13 APPENDICI_501-544.indd 531 30/07/12 16.10