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The first edition of this work appeared almost thirty years ago,
when, as we can see in retrospect, the study of the actinide
elements was in its first bloom. Although the broad features of the
chemistry of the actinide elements were by then quite well
delineated, the treatment of the subject in the first edition was
of necessity largely descriptive in nature. A detailed
understanding of the chemical consequences of the characteristic
presence of Sf electrons in most of the members of the actinide
series was still for the future, and many of the systematic
features of the actinide elements were only dimly apprehended. In
the past thirty years all this has changed. The application of new
spectroscopic techniques, which came into general use during this
period, and new theoretical insights, which came from a better
understanding of chemical bonding, inorganic chemistry, and solid
state phenomena, were among the important factors that led to a
great expansion and maturation in actinide element research and a
large number of new and important findings. The first edition
consisted of a serial description of the individual actinide
elements, with a single chapter devoted to the six heaviest
elements (lawrencium, the heaviest actinide, was yet to be
discovered). Less than 15 % of the text was devoted to a
consideration of the systematics of the actinide elements.
The first edition of this work appeared almost thirty years ago,
when, as we can see in retrospect, the study of the actinide
elements was in its first bloom. Although the broad features of the
chemistry of the actinide elements were by then quite well
delineated, the treatment of the subject in the first edition was
of necessity largely descriptive in nature. A detailed
understanding of the chemical consequences of the characteristic
presence of Sf electrons in most of the members of the actinide
series was still for the future, and many of the systematic
features of the actinide elements were only dimly apprehended. In
the past thirty years all this has changed. The application of new
spectroscopic techniques, which came into general use during this
period, and new theoretical insights, which came from a better
understanding of chemical bonding, inorganic chemistry, and solid
state phenomena, were among the important factors that led to a
great expansion and maturation in actinide element research and a
large number of new and important findings. The first edition
consisted of a serial description of the individual actinide
elements, with a single chapter devoted to the six heaviest
elements (lawrencium, the heaviest actinide, was yet to be
discovered). Less than 15 % of the text was devoted to a
consideration of the systematics of the actinide elements.
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