二、元素周期表及性能的周期性变化 0 He 1.00797 IVA VA VIA 4.003 6 9 10 Li Be B Ne 6.939 9.012 10.81 12.011 14.007 15.9994 19.00 20.183 13 14 16 17 18 湖 VWB Al Si CI Ar B IVB VB VIB B 26.98 2800 39.974 32.064 35.453 39.948 19 20 21 2 23 25 26 27 29 30 31 32 33 35 36 K Ca Ti Cr Mn Fe Co Ni 01 Zn Ga Ge As Se Br Kr 39.102 40.08 4496 47.90 50.94 200 5404 5585 58.93 58.71 63.54 653 69.72 72.59 74.92 78.96 79.909 83.80 3) 38 40 41 43 44 45 48 49 5s0 51 57 54 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Xe 85.47 87.62 88.905 91.22 92.91 95.9 8 101. 102.90 106.4 10787 112.4 114.82 118.69 126.90 131.30 55 《6 72 73 74 76 79 80 81 82 83 86 Cs Ba Hf Ta W P Au TI Pb 132.905137.34 178.49 1922 Hg Bi 8 At Rn 180.95183.85 195.09 196.97 200.39 204.37207.19 208.98 210 222 87 铜系a 解系AC 57 60 6 62 61 64 65 66 67 6 69 70 71 La Ce Pr Nd Rm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 138.91 140.12 140.91 144.24 147 150.35 152 15725 158.92 162.50 164.93 167.26 168.93 173.04 174.97 on 9 9 9 100 101 102 103 Ac Th Pa Np Pu Am Cm Bk Es Fm Md No Lr 2 232.0H 231 238.03 237 242 243 247 247 251 254 253 256 24 257 SCHOOLOF MATERIALS SCIENOE AND ENGINEFRING OF XTANILAOTONGUNIVERSITY 二、元素周期表及性能的周期性变化 SCHOOL OF MATERIALS SCIENCE AND ENGINEERING OF XI`AN JIAOTONGUNIVERSITY