Chemical Reactions Check In

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Across
  1. 5. Organized arrangement of elements by atomic number (8, 5).
  2. 7. Chemical formula for table salt (4).
  3. 9. Element essential for combustion and respiration (6).
  4. 10. Substances formed as a result of a chemical reaction (8).
  5. 11. Neutral subatomic particle found in the nucleus (7).
  6. 12. Common table salt formed from sodium and chlorine (6, 8).
  7. 13. Symbol used in a word equation to show a reaction occurring (5).
  8. 16. Element with the chemical symbol H2 (8).
  9. 17. Reaction that releases heat to surroundings (10).
  10. 21. Measurement system for acidity and alkalinity (2, 5).
  11. 22. Substances that undergo a chemical change in a reaction (9).
  12. 23. Element with the chemical symbol Zn (4).
  13. 24. Combination of substances that are not chemically bonded (6).
  14. 28. Compound with the chemical formula CO2 (6, 7).
  15. 29. Reaction involving oxygen that releases heat and light (10).
  16. 30. Substance formed when two or more elements chemically combine (8).
Down
  1. 1. Representation of a chemical reaction using element symbols (6, 8).
  2. 2. Common strong acid with the formula HCl (12, 4).
  3. 3. Positively charged subatomic particle found in the nucleus (6).
  4. 4. Reaction that forms an insoluble solid from two solutions (12).
  5. 6. The name for the table that arranges elements (8).
  6. 8. Compound with the chemical formula HCl (12, 4).
  7. 14. Compound with the chemical formula H2O (5).
  8. 15. Representation of a chemical reaction using full chemical names (4, 8).
  9. 18. Element with the chemical symbol Cu (6).
  10. 19. Element found in all living things (6).
  11. 20. Metal that rusts when exposed to oxygen and water (4).
  12. 25. Pure substance made of only one type of atom (7).
  13. 26. Negatively charged particle orbiting an atom’s nucleus (8).
  14. 27. Smallest unit of matter that retains an element's properties (4).