Modern inorganic chemistry

436 THE ELEMENTS OF GROUPS IB AND MB USES Mercury is extensively used in various pieces of scientific apparatus, such as thermom ...

THE ELEMENTS OF GROUPS IB AND MB 437 the mercury ions are in pairs with the chloride ions adjacent, i.e. CP *Hg—Hg+. Cl~. (It is ...

438 THE ELEMENTS OF GROUPS IB AND IIB The aqueous solution has a low conductivity, indicating that mercury(II) chloride dissolve ...

THL ELEMENTS OF GROUPS IB AND liB 439 chloro-complexes.) In both solid HgI 2 and the complex [HgI 4 ]^2 ~ the mercury is tetrahe ...

15 The lanthanides and actinides (Lanthanum to lutetium, actinium to lawrencium) The element lanthanum (atomic number 57) has th ...

THE LANTHANIDES AND ACTINIDES 441 Reference has been made already to the existence of a set of "inner transition' elements, foll ...

442 THE LANTHANIDES AND ACTINIDES The appearance of a peak between those for neodymium (60) and samarium (62) was then strong ev ...

THE LANTHANIDES AND ACTINIDES 443 level was being filled for hafnium, tantalum and tungsten). The discovery of many elements bey ...

444 THE LANTHANIDES AND ACT1NIDES linium marks the half-way stage when filling of the inner sub-level is half complete. It is kn ...

THE LANTHANIDES AND ACTINIDES 445 heavy' elements, well beyond this range, may also have nuclear stability, but their synthesis ...

Index Acceptor atom, 41 electron, 92 electron-pair, 91 Acids conjugate, 85 dissociation constants, 86 Lewis, 91 Lowry-Brensted, ...

448 INDEX Arsenates, 247, 248, 326 Arsenic allot ropes, 210 halides, 252 hydrides, 227 occurrence and extraction. 209 oxides. 23 ...

Caesium—com. tests, 136 Calcium biological importance, 124 compounds, 126-133 occurrence, 122 physical properties, 120 reactions ...

450 INDEX Daniell cell, 94 Dative bond, 41 Deacon process, 267, 317, 318 Detergents, 273 Deuterium. 116 oxide, 276, 277 Devarda' ...

INDEX 451 Halides complex, 345 covalent, 344 ionic, 343 preparation, 342, 343 tests for, 348-350 Halogens, see separate elements ...

452 INDEX Lanthanides, 9, 12, 440 Lattice energy, 73-75 Lead accumulator, 202, 203 carbonate, 202 chromate, 202 halides, 199, 20 ...

INDEX 453 Nitrogen—cont. properties, 206 reactions, 210-213 tests, 253 Nitronium ion, 234, 240 Nitrosyl cation, 90, 230 chloride ...

454 INDEX Redox reactions, stoichiometry of, 95 Reducing agents, tests for, 107, 108 Reduction, definitions, 91, 92 Resonance, 4 ...

INDEX 455 Tellurides, 288 Tellurum hydride, 284 occurrence and extraction, 262 oxides and oxoacids, 305 properties. 257-259 reac ...