Across
- 1. A reaction that absorbs heat energy.
- 4. A representation of a chemical reaction using symbols and formulas.
- 6. A reaction that releases heat energy.
- 9. A change that results in new substances forming.
- 11. A chemical equation with equal numbers of each type of atom on both sides.
- 12. A change that affects the form of a substance but not its chemical composition.
- 13. A solid that forms and separates from a liquid mixture.
Down
- 2. How easily a substance undergoes chemical change.
- 3. Process where reactants change into new products with new properties.
- 5. Symbols showing the elements in a compound and their ratios
- 7. A one- or two-letter abbreviation for an element
- 8. Traits of a substance that can be observed without changing its identity
- 10. Traits that describe a substance's ability to undergo chemical change