Chemical Basis of Life
... Chemical Change- A Change in which matter is altered from one substance to another. ... Chemical Element- The basic building blocks that combine in many different ways to form all living and nonliving matter. ... Bond Energy- The energy needed to break a chemical bond. ... Mixture- A substance that results when two or more substances are mixed together with no chemical change taking place. ... Hydrolysis- The chemical break down of substance by combination with water. ... Chemical change is when matter changes from one substance to another, physical change is when matter can change spacing and activity.