Chemistry Crossword

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Across
  1. 3. Releases heat energy
  2. 4. Is a slow chemical change that occurs when oxygen in the air reacts with a metal
  3. 6. A substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties
  4. 8. A negative charge
  5. 9. When non-metals combine, they procedure a pure substance called a molecule or...
  6. 10. Made up of two or more substances
  7. 14. A chemical reaction takes place when two or more substances combine to form a new substance
  8. 15. Can't be separated
  9. 16. Is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  10. 18. Made up of one or more atoms
  11. 19. Can be separated
  12. 21. Anything that has mass and occupies space
  13. 23. Table of elements
  14. 24. Made up of one atom
Down
  1. 1. A positive charge
  2. 2. Made up of one type of matter
  3. 5. Respiration Is a chemical reaction that takes place in the cells in your body
  4. 7. Eats up material
  5. 11. Absorbs heat energy
  6. 12. Appearance and composition
  7. 13. Caution Symbol
  8. 16. When the experiment doesn't touch air (in a bag)
  9. 17. CO
  10. 20. A neutral charge
  11. 22. Matter that creates volume or mass