SUBJECT INDEX 



579 



Saltpetre, 5, 8, 19 



crystal of, 4 



Salts as binary compounds of 

 two radicals, 270 



crystallisation of mixed, 505, 



5ii 



decomposed by electric cur- 

 rent, 273 



formulae of, 374 



insoluble, 1 7 



insoluble, action of acids on, 



507 



neutral, 25 



nomenclature of, 16 



preparation of, 16 



structure of, 394 

 Sand, 288 

 Scandium, 477 

 Sceptical chemist, 448 

 Sedative salt, 288 

 Selenite, 16, 18, 19 

 Semi- water gas, 143 

 Short periods, 459 

 Silica, 288 

 Silicon, 288 

 Silver, 7 



chlorate and chloride, com- 

 position of, 317 



chloride, composition of, 354 



iodate and iodide, composition 



o f > 317 

 Slaked lime, 49 



composition of 283 

 Smithy scale, reduced by char- 

 coal, 138 

 Soda, 3 



decomposed by electric cur- 

 rent, 278 



Sodium-amalgam, 279 

 chloride, 286 

 decomposes water, 279 

 hydroxide, 284 

 properties of, 278 

 sulphate, 21 

 Solid solutions, 370 

 Solutions, solid, 370 

 Specific heats, 364 



at high temperatures, 366 

 at low temperatures, 365, 

 366,472 



Specific heats of metals, 363 



of solid elements, 365 

 Spectra, 475 



high-frequency, of the ele- 

 ments, 487, 488, 489 

 Spirit of hartshorn, 57 



of salt, 14 



of wood, 403 

 Spiritus nitro-^neus, 32 

 Spring of the air, 320 

 Stalactites, 105, 106 

 Stalagmites, 105 

 Stannous chloride, dissociation 



of, 361, 380 

 Starch, composition of, 390 



formula of, 393 

 Steam-molecules, 527 

 Strontium, 281 

 Structural formulae, 439 

 Structure of alcoholand ether, 401 



of benzene, 440 



of organic compounds, 398 



of salts, 394 

 Substitution, 406 



-value, 433 



Succinic acid, formula of, 393 

 Sugar, 6 



composition of, 390 



formula of, 393 



of lead, 20 

 Sulphate of copper, 18 



of iron, 18 



of lime, 19 



of magnesia, 19 



of potash, 1 8 



of soda, 18 

 Sulphates, 17 



decomposition of, by heat, 169 

 Sulphides, burning of, 173 



conversion to sulphates, 174 



metallic, 172 

 Sulpho-salts, 248 

 Sulphovinic acid, 402 

 Sulphur, association and disso- 

 ciation of, 351, 524 



atomic weight of, 350 



combustion of, 163 



crystals of, 163 



displaced by chlorine, 226 



dissociation of, 524 



