what is chemistry
Chemistry is a branch of natural science that deals principally with the properties of substances, the changes they undergo, and the natural laws that describe these changes. The study of chemistry spans the range from qualitative in focus to quantitative.
Chemistry is the study of matter, which can be classified into two categories: substances and mixtures. In this lesson, we will define the term 'substance' and discuss types of substances and specific examples in more detail. College Earth Science: Help and Review / Science Courses.