The term CHEMISTRY TEXT PARTICLE can be broken down into three parts: Chemistry, Text, and Particle. Chemistry is the scientific study of matter, its properties, and how it interacts with other matter. Text refers to written or printed words, usually in a book or article. Particle is a small piece or amount of something. Together, these three terms refer to a type of book that focuses on the scientific study of matter, its properties, and how it interacts with other matter, written in the form of text. The crossword solution for this term is ATOM, which is the smallest unit of an element that retains its chemical properties.