This book aims to introduce the reader to basic concepts concerning matter physics, describing how fundamental properties of atoms, molecules and condensed matter are affected by properties of electrons and by their interaction with electromagnetic waves.As an introductory text on basic properties of matter, the contents are designed for undergraduate students in electrical engineering. It is based on the lectures given by the author for over a decade on Matter Physics and Solid State Physics. It focuses on electronic properties to discuss the structure, electrical and optical properties of...