A scientist who studies chemicals is called a chemist. Chemists analyze the properties, composition, and structures of different substances, and they seek to understand how these substances interact with one another. Their work is fundamental to various fields, including pharmaceuticals, materials science, environmental science, and food technology. Chemists may work in laboratories conducting experiments, examining chemical reactions, or developing new materials and products. Their research contributes to advancements in healthcare, energy solutions, and environmental protection, demonstrating the essential role they play in society.