Introductory Chemistry--Lecture & Lab by Jose NunezThis book follows a similar sequence to most chemistry courses. It helps students learn core concepts of chemistry and applications in real life in the world around them. There are links to access each chapter with text, images, and videos. Throughout the text, there are examples of problems with triangles to click on to show or hide the answers. Some of them give detailed step-by-step processes for how to solve the problems.