Have you ever wondered how molecules form groups or how forces in chemistry interact?

In the How Do series, readers are invited to guess and then explore the science behind the right answers. Basic principles of chemistry are explored through diagrams, photos, and informative and engaging text.

In How Do Molecules Stay Together?, readers will learn:

- The three components of an atom

- What a periodic table of elements is and how it works

- The difference between positive and negative forces and how they react to each other

- Characteristics of the three states of matter

- How chemical reactions work