All chemical compounds that constitute living and inorganic matter are diverse combinations of eighty-odd elements. The remaining known elements are practically not found in nature. Scientists created them artificially by means of nuclear reactions.

More new elements can be obtained in this manner and we do not know how many of them. But it is quite clear that the chemical alphabet is not complete yet.
This book describes how the alphabet of chemistry has been designed and how the inquisitive mind of the researchers discovered new chemical elements, one after another.

CONTENTS
Notice to the reader 9
Introduction 11
Part One - Elements Discovered in Nature
Chapter 1 Elements Known in Antiquity
Chapter 2 Elements Discovered in the Middle Ages
Chapter 3 Elements of Air and Water.
Chapter 4 Elements Discovered by Chemical Analysis
Chapter 5 Elements Discovered by the Electrochemical Method
Chapter 6 Elements Discovered by the Spectroscopic Method
Chapter 7 Rare Earths
Chapter 8 Helium and Other Inert Gases
Chapter 9 Elements Predicted from the Periodic System
Chapter 10 Two Stable Elements Which Were the Last to Be Discovered
Chapter 11 Radioactive Elements
Part Two - Synthesized Elements
Chapter 12 Discoveries of Synthesized Elements Within the Old Boundaries of the Periodic System
Chapter 13 Transuranium Elements
Conclusion 252

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