With an emphasis on co-ordination chemistry, this book aims to provide an introduction to the principles underlying the chemistry of the d- and f- block metals. It describes the origins, uses and importance of these elements before covering their chemical properties. The book presents an overview of topics related to its structure, bonding, thermodynamics, and spectra, which underpin studies of the chemistry of these elements. Examples are drawn from different parts of the d- or f-blocks to illustratie particular points and study questions allow students to practice the application of the principles which they have leared. The test assumes a basic knowledge of symmetry, the Russell-Saunders coupling scheme and the meaning of terms such as ionization energy, electron affinity, electrode potential, ionic radius and equilibrium constant. A familiarity with the qualitative use of the molecular orbital approach to bonding is also assumed, although an understanding of group theory is not required. The material is aimed at first and second year undergraduates, providing a basis for more advanced studies of the reactions, electronic structures, spectra and magnetism of transition metal complexes.