Chemistry Crossword - Jhuan 9B

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