Match the following terms to their definitions. physical change chemical bond conservation chemical change nuclear change 1. rearrangement of atoms of substances resulting in new substances being formed 2. the physical quantity of matter and energy is entirely preserved during transformations and reactions 3. change to a substance that does not change its chemical composition 4. change to the structure of the nucleus of an atom which generally changes one element into another 5. force of attraction that holds two or more atoms together