Chemistry Crossword - Jhuan 9B

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Across
  1. 5. Solids at room temperature, often malleable, often has lustre, and conducts electricity
  2. 9. _______ ____ model, created by John Dalton
  3. 11. a particle with a positive charge
  4. 12. is a chemical reaction that takes place in the cells in your body
  5. 15. a substance that reacts with another substance in a chemical reaction to create a new substance with different products or properties
  6. 16. a new substance produced in a chemical reaction
  7. 17. releases heat (example: fire)
  8. 20. a particle with a negative charge
  9. 21. compounds that consist of ions (a group of atoms that have become electrically charged)
  10. 22. "The Father of Modern Chemistry"
  11. 23. a very stable and unreactive gas
Down
  1. 1. takes place when two or more substances combine to form new ones
  2. 2. the horizontal rows in the periodic table of elements
  3. 3. have mixed properties of both metals and non-metals
  4. 4. reacts to air and water: less reactive than alkaline metals
  5. 6. absorbs heat (example: ice pack)
  6. 7. the sum two non-metals combining, forming a pure substance called a _________.
  7. 8. a very reactive metal, especially in air and water
  8. 10. is a fast chemical reaction that occurs whens oxygen reacts with a substance to form a new substance; gives off energy
  9. 13. often a liquid or gas at room temperature (can be solids sometimes, aren't malleable, do not conduct electricity, and usually has no lustre
  10. 14. a particle with a neutral charge
  11. 18. extremely reactive non-metals
  12. 19. one of the three factors of the fire triangle
  13. 24. the vertical columns in the periodic table of elements