Question

chemistry is the study of... matter, its properties, its behavior, how it is arranged, and how it changes. mass and volume. forces and energy. atoms and the periodic table.

Explanation:

Chemistry is the scientific study of matter, its properties, how it behaves, its arrangement, and the changes it undergoes. Mass and volume are physical - properties related to matter but not the whole focus of chemistry. Forces and energy are more in the realm of physics. Atoms and the periodic table are important concepts in chemistry but do not fully define the study of chemistry.

Answer:

matter, its properties, its behavior, how it is arranged, and how it changes.