,
, and
,
APPENDIX I
THE ELEMENTS, THEIR ATOMIC NUMBERS, ATOMIC WEIGHTS, AND CHEMICAL POSITIONS
1 H
1.008
| 0 | I | II | III | IV | V | VI | VII | VIII |
|---|---|---|---|---|---|---|---|---|
| 2 He 3.99 | 3 Li 6.94 | 4 Be 9.1 | 5 B 11.0 | 6 C 12.00 | 7 N 14.01 | 8 O 16.00 | 9 F 19.0 | |
| 10 Ne 20.2 | 11 Na 23.00 | 12 Mg 24.32 | 13 Al 27.1 | 14 Si 28.3 | 5 P 31.04 | 16 S 32.06 | 17 Cl 35.46 | |
| 18 A 39.88 | 19 K 39.10 | 20 Ca 40.07 | 21 Sc 44.1 | 22 Ti 48.1 | 23 V 51.0 | 24 Cr 52.0 | 25 Mn 54.93 | 26 Fe 27 Co 28 Ni 55.84 58.97 58.68 |
| 29 Cu 63.57 | 30 Zn 65.37 | 31 Ga 69.9 | 32 Ge 72.5 | 33 As 74.96 | 34 Se 79.2 | 35 Br 79.92 | ||
| 36 Kr 82.92 | 37 Rb 85.45 | 38 Sr 87.63 | 39 Y 88.7 | 40 Zr 90.6 | 41 Nb 93.5 | 42 Mo 96.0 | 43— | 44 Ru 45 Rh 46 Pd 101.7 102.9 106.7 |
| 47 Ag 107.88 | 48 Cd 112.40 | 49 In 114.8 | 50 Sn 118.7 | 51 Sb 120.2 | 52 Te 127.5 | 53 J 126.92 | ||
| 54 X 130.2 | 55 Cs 132.81 | 56 Ba 137.37 | 57 La 58 Ce 59 Pr 60 Nd 61—62 Sm 63 Eu 64 Gd 65 Tb 66 Ds 139.0 140.25 140.6 144.3 150.4 152 157.0 159.2 162.5 | |||||
| 67 Ho 68 Ev 69 Tu 70 Yb 71 Lu 72Hf 163.5 167.7 168.5 173.5 175.0 | 73 Ta 181.5 | 74 W 184.0 | 75— | 76 Os 77 Ir 78 Pt 190.9 193.1 195.2 | ||||
| 79 Au 197.2 | 80 Hg 200.6 | 81 Tl 204.0 | 82 Pb 207.20 | 83 Bi 208.0 | 84 Po (210.0) | 85— | ||
| 86 Ni (222.0) | 87— | 88 Ra 226.0 | 89 Ac (227) | 90 Th 232.15 | 91 Pa (234) | 92 U 238.2 | ||
Elements, the atomic numbers of which are not in the order of atomic weights, are in italics. The numbers corresponding to missing elements are in bold-faced type.