450 INDEX
Daniell cell, 94
Dative bond, 41
Deacon process, 267, 317, 318
Detergents, 273
Deuterium. 116
oxide, 276, 277
Devarda's alloy, 241
Diagonal relationship, 14
Diamond, 26, 163
Diborane, 145, 179
Diethyl ether, 259
Dimethyl ether, 41,42, 53
Dimethyl sulphide, 259
Dinitrogen
oxide, 228, 229
peutoxide, 234
tetroxide, 90, 231-234
trioxide, 234
Dipole, 44, 57
forces, 51
moment, 51, 57
Disproportionation, 324, 387, 388, 414
Disulphuric acid, 302
Dolomite, 122
Donor
atom, 41
electron, 92
electron-pair, 91
Double salts, 303
Down cell, 122, 123
^Drikokf, 182Electron
affinity, 33-35
lone pairs, 37-39
pairs, 37^39
solvated, 271
transfer, 93
Electronegativity, 49, 50
Electronic configurations, 7-11
Electrovalency, 28-36
Emery, 141, 150
Energy
free. 65, 66
lattice. 73-75
levels, 5, 7
of hydration. 78, 97
of solution, 78, 79
Enthalpy
of atomisation, 73
of hydration, 78
of solution, 78
Entropy. 66
Ethanal, 294
Ethanoic acid, 53, 54
Ethanol. 53
Ethene, 39, 56, 173, 174,268
Ethylene, 40, 174Ferrates, 393
Ferrochrome, 376
Ferrovanadium, 373
Fertilisers, 208
Fischer, Karl, 276
Flame photometry. 136
Fiuoric(I) acid, 323, 337
Fluorine
occurrence and extraction, 316, 317
oxides, 334
properties, 310-317
reactions, 320-326
tests, 348
uses, 346, 347
Fluorite, 36, 316
Fluoroapatite, 316
Fluospar, 316
Francium, 22
Frankland, 418
Frasch process, 261
Friedel-Crafts reaction, 154, 155Galena, 167,261
Gallium, 143, 144, 158
Galvanising, 418
Germanium, 21, 22
halides, 197
hydrides, 176
occurrence and extraction, 166
oxides, 191, 192
properties, 161
reactions, 169-172
Glass, 188
Glycerol, 149, 195
Gold
chemical properties, 431
colloidal, 432
compounds, 431, 432
physical properties, 426
tests, 432
Graphite, 163, 164
compounds, 168, 169
Gypsum, 261Haber process, 214, 215
Haematite, 391
Haemoglobin, 177, 178, 397, 398