Across
- 2. Substances that undergo a chemical change in a reaction (9).
- 3. Representation of a chemical reaction using element symbols (6, 8).
- 6. Common table salt formed from sodium and chlorine (6, 8).
- 8. Chemical formula for carbon dioxide (3).
- 10. Element with the chemical symbol H2 (8).
- 11. Measurement system for acidity and alkalinity (2, 5).
- 12. Combination of substances that are not chemically bonded (6).
- 17. Reaction that releases heat to surroundings (10).
- 18. Common strong acid with the formula HCl (12, 4).
- 23. Metal that rusts when exposed to oxygen and water (4).
- 24. Representation of a chemical reaction using full chemical names (4, 8).
- 25. Element found in all living things (6).
- 26. Pure substance made of only one type of atom (7).
- 28. Positively charged subatomic particle found in the nucleus (6).
Down
- 1. Reaction that forms an insoluble solid from two solutions (12).
- 4. Smallest unit of matter that retains an element's properties (4).
- 5. Organized arrangement of elements by atomic number (8, 5).
- 7. Element essential for combustion and respiration (6).
- 9. Substance formed when two or more elements chemically combine (8).
- 10. Chemical formula for hydrochloric acid (3).
- 13. Negatively charged particle orbiting an atom’s nucleus (8).
- 14. Substances formed as a result of a chemical reaction (8).
- 15. The name for the table that arranges elements (8).
- 16. Chemical formula for table salt (4).
- 18. Chemical formula for water (3).
- 19. Reaction involving oxygen that releases heat and light (10).
- 20. Element with the chemical symbol Cu (6).
- 21. Neutral subatomic particle found in the nucleus (7).
- 22. Element with the chemical symbol Zn (4).
- 27. Symbol used in a word equation to show a reaction occurring (5).