position of earth's crust 10
composition of fuel gases 220
constants of elements Appendix B
copper family 356
elements Appendix A
gold and platinum metals 390
hydrocarbons 399
magnesium family 316
manganese and chromium 379
periodic arrangement 168
phosphorus family 238
silicon family 257
solubility of gases in water 95
solubility of salts 96
solubility of salts at different temperatures 97
tin and lead 370
weights of gases Appendix B

Talc 321, 336

Tartar emetic 408

Tartaric acid 408

Tellurium 161

Temporary hardness 309

Ternary acids 113
salts 114

Tetraboric acid 265

Thallium 327

Theory, atomic 61
definition 64
value of 64

Thermite 331

Thio compounds 282

Thiosulphates 159

Thiosulphuric acid 159

Thorium 377

Tin 370
block 371
compounds 372
crystals 372
family 370
foil 371
metallurgy 370
plate 371
properties 371
uses 371

Titanium 257, 264

Topaz 331

Triad families 166

Tungsten 388

Type metal 253, 375

Uranium 388

Valence 116
a numerical property 116
and combining ratios 118
and equations 120
and formulas 120
and periodic groups 162
and structure 118
definition 116
indirectly determined 117
measure of 117
variable 117

Vaseline 400

Venetian red 349

Verdigris 407

Vermilion 363

Vinegar 406

Vitriol, blue 361
green 350
oil of 154
white 324

Volume and aqueous tension 25
and pressure 24
and temperature 23
of combining gases 194

Water 40
a compound 40
and disease 49
catalytic action of 154
chalybeate 351
chemical properties 53
composition 47
composition by volume 44
composition by weight 47
dissociation of 210
distillation of 50
electrolysis of 41, 103
filtration of 51
gas 219
hard 309
historical 40
impurities in 48
in air 87
mineral 49
occurrence 48
of crystallization 54, 75
physical properties 53
purification of 50
qualitative analysis 41
quantitative analysis 42
river 49
sanitary analysis 50
self-purification 53
softening of 310
standard substance 55
synthesis 43
uses of 55

Weights, atomic 65

Welsbach mantles 219, 377

Whisky 404

Wine 404

Witherite 312

Wood alcohol 402
distillation 402

Wood's metal 254

Xenon 80

Yeast 403

Zinc 321
alloys of 323
blende 321
chloride 325
flowers of 322
metallurgy 321