Across
- 6. A mixture where the components are evenly distributed.
- 7. A substance that speeds up a chemical reaction without being consumed.
- 8. A chemical reaction that absorbs heat.
- 9. A pure substance made up of only one type of atom.
- 11. A measure of how much space an object occupies.
- 12. A change that does not alter the chemical composition.
- 14. The state of matter with a definite volume but no fixed shape.
Down
- 1. A change that produces one or more new substances.
- 2. A simple representation of a compound's elements.
- 3. A negatively charged particle in an atom.
- 4. A positively charged particle in an atom's nucleus.
- 5. The force that holds atoms together in a compound.
- 7. A substance made of two or more elements chemically bonded together.
- 10. The measure of the amount of matter in an object.
- 13. The smallest unit of a chemical element.