CONTENTS 1
Lesson 1 ATOMS COMBINE WITH EACH OTHER 1
Lesson 2 WHAT IS CHEMISTRY? 14
Lesson 3 RATE OF REACTION 29
Lesson 4 OXIDATION 46
Lesson 5 SOLUTIONS 64
Lesson 6 NEUTRALIZATION—ACIDS REACTING WITH BASES 78
Lesson 7 COVALENT BONDS AND METALLIC BONDS 93
Lesson 8 APPLICATIONS OF ELECTROLYSIS 110
Lesson 9 THE STRUCTURE OF METALS AND NON-METALS 127
Lesson 10 NITROGEN:A LAZY ELEMENT WITH LIVELY COMPOUNDS 152
Lesson 11 HYDROGEN 172
Lesson 12 ALUMINIUM 188
Lesson 13 SHOULD WE BLAST THE BLAST FURNACE? 207
Lesson 14 DEVICES FOR MEASURING SOLID CHEM-ICALS 230
Lesson15 CATALYSIS 252
Lesson 16 MAN'S USE OF UNSTABLE ATOMS IN IN-DUSTRY AND AGRICULTURE 271
Lesson 17 THE METHANE,OR PARAFFIN,SERIES OF HYDROCARBONS 294
Lesson 18 DETERGENT 316
Lesson 19 PETROLEUM 338
Lesson 20 HOW PLASTIC MATERIALS ARE PRE-PARED 359
Lesson 21 LIQUID RUBBER 379
Lesson 22 QUALITATIVE ELEMENTARY ANALYSIS 399
1．NOTES ON CHEMICAL PROCEDURES 424
2．FROM ASPIRIN TO FAKE GEMS 429
3．ETHYL ALCOHOL 433
4．ESTERS 438
5．FATS AND OILS 443
6．PAPER:A MODIFIED NATURAL POLYMER 449
7．PROTEIN 454
8．HISTORY OF CHEMISTRY 459
9．HENRY CAVENDISH（1731—1810） 465
10．GEORGE WASHINGTON CARBER（1864—1943） 470
VOCABULARY 478