CONTENTS 3
1．RADIOACTIVITY AND TRANSMUTATION OF ELEMENTS（Ⅰ） 3
2．RADIOACTIVITY AND TRANSMUTATION OF ELEMENTS（Ⅱ） 7
3．RAD IOACTIVITY AND TRANSMUTATION OF ELEMENTS（Ⅲ） 12
4．THREE LAWS OF STOICHIOMETRY 17
5．VALENCE AND IONS 23
6．COVALENCE AND THE DEVELOPMENT OF THE VALENCE THEORY 29
7．THE RATE OF CHEMICAL REACTIONS 36
8．CHEMICAL EQUILIBRIUM 43
9．THERMOCHEMISTRY （Ⅰ） 48
10．THERMOCHEMISTRY（Ⅱ） 55
11．THE ALCOHOLS 61
12．THE INDUSTRIAL PREPARATION OF IMPORTANT ALCOHOLS 67
13．ALKYL HALIDES，ETHERS 73
14．SATURATED AND UNSATURATED HYDROCARBONS 77
15．ORGANIC ACIDS 82
16．THE POLYHALOGEN COMPOUNDS 87
17．DERIVATIVES OF AMMONIA：ANIDES，NITRILES，AMINES 93
18．POLYHYDRIC ALCOHOLS，FATS AND OILS 97
19．ACETOACETIC ESTER AND MALONIC ESTER 102
20．DERIVATIVES OF CARBONIC ACID 106
21．THE HYDROCARBONS FROM COAL TAR AND BENZENE 112
22．ARYL HALIDES AND SULFONIC ACIDS 116
23．AROMATIC NITRO COMPOUNDS，AMINES AND DIAZONIUM SALTS 121
24．AROMATIC ALDEHYDES AND KETONES 125
25．ELECTROLYSIS（Ⅰ） 131
26．ELECTROLYSIS（Ⅱ） 137
27．VOLTAIC CELLS 142
28．ISOTOPES 147
29．X-RAYS AND CRYSTALS 153
30．RESONANCE AND ELECTRIC DIPOLE MOMENTS 159