Across
- 2. A substance produced during a chemical reaction.
- 5. The smallest particle of an element; made of electrons, protons, and neutrons.
- 9. A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded.
- 10. Method or means of changing one or more chemicals or chemical compounds.
Down
- 1. The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically.
- 3. The process by which one or more substances change to produce one or more different substances.
- 4. Materials made from one or more natural substances that undergo a chemical process.
- 6. A substance that takes part in and undergoes change during a chemical reaction.
- 7. Physical and chemical characteristics of matter used to describe or identify a substance.
- 8. An insoluble solid formed from a chemical reaction.
