Formation of a New Substance
Across
- 3. A change to a substance that occurs without forming a new substance, such as a change in size or state of matter
- 5. A characteristic that can be observed or measured only when atoms rearrange during a chemical change
- 7. A change in the way something reflects light; can indicate a chemical change
- 8. Physical and chemical characteristics of matter used to describe or identify a substance
Down
- 1. A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction
- 2. Distinct forms of matter known in everyday experience: solid, liquid, and gas; also referred to as phases
- 4. a change that involves one substance being pulled apart or combined with another substance to form a completely different substance or substances
- 6. A pure substance composed of the same type of atom throughout