Fundamentals of Nanochemistry serves as a foundational text for anyone interested in the study and application of nanomaterials. The book begins with an exploration of the basic principles and historical development of nanotechnology, providing a solid grounding in the field. It then delves into the synthesis methods, characterization techniques, and unique properties of nanomaterials, offering readers a comprehensive understanding of how these materials are created and analyzed. The book also explores the various applications of nanotechnology, with dedicated chapters on its use in medicine, electronics, and environmental sustainability. The final sections address the critical issues of safety, ethics, and future trends, equipping readers with the knowledge needed to navigate the challenges and opportunities in nanochemistry. Designed for both students and professionals, this book combines theoretical knowledge with practical insights, making it an essential resource for anyone looking to advance their understanding of nanochemistry and its transformative impact on the world.