Unit B crossword

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Across
  1. 4. releases heat
  2. 6. horizontal row in the periodic table
  3. 7. many ions
  4. 11. reaction where it forms a new substance(s)
  5. 13. (amu)
  6. 15. a reaction where the substance changes state
  7. 17. solid to liquid
  8. 19. when non-metals combine
  9. 22. an experiment where all products are present
  10. 23. characteristics that can describe a substance
  11. 24. new materials created by a reaction
Down
  1. 1. anything that has mass and occupies space
  2. 2. most stable and unreactive elements
  3. 3. solid, liquid, or a gas is a _____
  4. 5. liquid to solid
  5. 8. what takes place when 2 or more substances react to form new ones
  6. 9. workplace hazardous materials information system
  7. 10. Each vertical column forms a ______ of elements.
  8. 12. absorbs heat
  9. 14. an experiment where one or more products escape
  10. 16. liquid to gas
  11. 18. pure substances with at least one metal and one non-metal
  12. 19. have both metaave metals on the periodic table
  13. 20. gas to liquid
  14. 21. materials at the start of the reaction