The authors of this book have endeavoured to touch uponthe most important and interesting problems of chemistry.Their book describes and explains the structure of thePeriodic System of elements; it guides you through a kindof chemical museum full of curious exhibits; it tells of theintricate substances chemists have produced and how theyhave learned to work even with single atoms of the elements;it acquaints you with the various chemical professionsand shows how chemistry has penetrated all spheresof human activity.Reading these short but instructive stories about the exciting discoveries of chemistry will urge you to find out more about this fascinating science and to take up chemistry seriously.