"Química" (Chemistry) by Raymond Chang is a widely used textbook in chemistry education, now in its 13th edition. The book provides a comprehensive introduction to the fundamental principles of chemistry, covering topics from atomic structure to chemical reactions and thermodynamics. The 13th edition of "Química" is available in digital format, including a PDF version, making it easily accessible to students and educators. This essay will focus on the first volume of the 13th edition of "Química" by Raymond Chang.