D.I.MENDELEYEV'S PERIODIC TABLE OF ELEMENTS E L E M E N TG R O U P S 1 n IV VI VII VilI 0 1 (H) He 4.0026 4 6 C 2 L13 Be 7 N 80 F Ne 6.939 29.0122 10.813 2.015月 14.00E 15999H 18.9984 20.183 3 用 Na iT 18 8 13A 14 16.P 16S 22.991 24.312 26.9815 28 30.973 32.064 35.45 K 19 20 23 25 26 27 28 Ca Sc Ti 24 Cr Mn Fe 24 Co Ni .102 40.08 44956 47.90 50942 51.99% 54.9381 65.847 58.9332 58.71 4 29 21682 30 35 Cu 10 3 32 83 34 Ge 7 As Se Br Kr 6354 65.37 69.72 72,59 5162 74921t 78.96 79.909 83.80 37 3 89 41 40 43 46 Rb 88 Y Zr Nb Mo Ru Pd 97 Rh 02,905 106.4 888 85.7 288.905 9122 92.906 95.94 101.07 47 48 40 48 0 62 分 64 Ag Cd Sn Sb Te Xe 107,870 112,40 .114.82 118.69 ! 121.70 127.60 12604 13130 68 67 72 73 7 76 77 Cs Ba 288 La Hf 202 Ta Re 42 Pt 132.905 137,34 138.91 178.49 180.948 183.85 1852 1902 1922 195.09 6 19 80 3 4826? 83 86 Au Hg B Po At 196.967 22662 288 200.59 204.37 207,19 208.98 [210] [2101 [222] 2 89 Ra Ac Th) (Pa) [223] [226] *LANTH NIDES 58-71 Symbol 60 61 62 63 64 60 68 67 69 69 70 分 Ce Pr Nd Pm Sm 848 Eu 2821 Gd Tb 28278 Dy Ho Er b 140.12 140.907 144.24 47] 150.35 151.96 575 158.924 162.50 164.930 87.26 168934 173.04 174.97 ACT NIDES 92 03 94 96 的 97 号 102 103 847 Th Pa Np Pu 数Am Cm Bk Cf Es m Md No W 92 23.038.g[23 238,03 237] 23 (247) [249 254 253 256 955 2571 Flgures in squire brackets are mass numbers of stablest isotopes