TABLE I
Distribution of the Elements in Groups and Series
| Group | I. | II. | III. | IV. | V. | VI. | VII. | VIII. | |||||||||||
| Series | 1 | H | — | — | — | — | — | — | |||||||||||
| „ | 2 | Li | Be | B | C | N | O | F | |||||||||||
| „ | 3 | Na | Mg | Al | Si | P | S | Cl | |||||||||||
| „ | 4 | K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | |||||||
| „ | 5 | (Cu) | Zn | Ga | Ge | As | Se | Br | |||||||||||
| „ | 6 | Rb | Cr | Y | Zr | Nb | Mo | — | Ru | Rh | Pd | Ag | |||||||
| „ | 7 | (Ag) | Cd | In | Sn | Sb | Te | I | |||||||||||
| „ | 8 | Cs | Ba | La | Ce | Di? | — | — | — | — | — | — | |||||||
| „ | 9 | — | — | — | — | — | — | — | |||||||||||
| „ | 10 | — | — | Yb | — | Ta | W | — | Os | Ir | Pt | Au | |||||||
| „ | 11 | (Au) | Hg | Tl | Pb | Bi | — | — | |||||||||||
| „ | 12 | — | — | — | Th | — | U | — | |||||||||||
| R2O | R2O2 | R2O3 | R2O4 | R2O5 | R2O6 | R2O7 | Higher oxides | ||||||||||||
| — | RO | — | RO2 | — | RO3 | — | RO4 | ||||||||||||
| — | — | — | RH4 | RH3 | RH2 | RH | Hydrogen compounds | ||||||||||||
TABLE II
Periodic System and Atomic Weights of the Elements
(Giving the pages on which they are described)
| 2nd Series, Typical elements | 4th Series | 6th Series | 8th Series | 10th Series | 12th Series | ||
| I. | Li 7 | K 89 | Rb 86 | Cs 133 | — | — | |
| vol. i. 574 | vol. i. 558 | vol. i. 576 | vol. i. 576 | ||||
| II. | Be 9 | Ca 40 | Sr 88 | Ba 137 | — | — | |
| vol. i. 618 | vol. i. 590 | vol. i. 614 | vol. i. 614 | ||||
| III. | B 11 | Sc 44 | Y 89 | La 138 | Yb 173 | — | |
| vol. ii. 60 | vol. ii. 94 | vol. ii. 93 | vol. ii. 93 | vol. ii. 93 | |||
| IV. | C 12 | Ti 48 | Zr 91 | Ce 140 | ? 178 | Th 232 | |
| vol. i. 338 | vol. ii. 144 | vol. ii. 146 | vol. ii. 93 | vol. ii. 148 | |||
| V. | N 14 | V 51 | Nb 94 | ?Di 142 | Ta 183 | — | |
| vol. i. 223 | vol. ii. 194 | vol. ii. 197 | vol. ii. 93 | vol. ii. 197 | |||
| VI. | O 16 | Cr 52 | Mo 96 | — | W 184 | U 239 | |
| vol. i. 155 | vol. ii. 276 | vol. ii. 290 | vol. ii. 290 | vol. ii. 297 | |||
| VII. | F 19 | Mn 55 | ? 99 | — | — | — | |
| vol. i. 489 | vol. ii. 303 | ||||||
| Fe 56 | Ru 102 | — | Os 192 | ||||
| vol. ii. 317 | vol. ii. 369 | vol. ii. 369 | |||||
| VIII. | Co 59 | Rh 103 | — | Ir 193 | |||
| vol. ii. 353 | vol. ii. 369 | vol. ii. 369 | |||||
| Ni 59·5 | Pd 106 | — | Pt 196 | ||||
| vol. ii. 353 | vol. ii. 369 | vol. ii. 369 | |||||
| 3rd Series | 5th Series | 7th Series | 9th Series | 11th Series | |||
| I. | H 1 | Na 23 | Cu 64 | Ag 108 | — | Au 197 | |
| vol. i. 129 | vol. i. 533 | vol. ii. 398 | vol. ii. 415 | vol. ii. 442 | |||
| II. | Mg 24 | Zn 65 | Cd 112 | — | Hg 200 | ||
| vol. i. 590 | vol. ii. 39 | vol. ii. 47 | vol. ii. 48 | ||||
| III. | Al 27 | Ga 70 | In 114 | — | Tl 204 | ||
| vol. ii. 70 | vol. ii. 90 | vol. ii. 91 | vol. ii. 91 | ||||
| IV. | Si 28 | Ge 72 | Sn 119 | — | Pb 207 | ||
| vol. ii. 99 | vol. ii. 124 | vol. ii. 125 | vol. ii. 134 | ||||
| V. | P 31 | As 75 | Sb 120 | — | Bi 209 | ||
| vol. ii. 149 | vol. ii. 179 | vol. ii. 186 | vol. ii. 189 | ||||
| VI. | S 32 | Se 79 | Te 125 | — | — | ||
| vol. ii. 200 | vol. ii. 270 | vol. ii. 270 | |||||
| VII. | Cl 35·5 | Br 80 | I 127 | — | — | ||
| vol. i. 459 | vol. i. 494 | vol. i. 496 | |||||
Note.—Two lines under the elements indicate those which are very widely distributed in nature; one line indicates those which, although not so frequently met with, are of general use in the arts and manufactures.