Chemistry

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Across
  1. 5. Third element
  2. 7. Si
  3. 8. Process that releases heat energy
  4. 11. 47 protons
  5. 12. 8 neutrons
  6. 15. 6th element
  7. 18. Gas we breathe in
  8. 19. Amount of space an object occupies
  9. 20. Something that occupies space and has mass
  10. 21. Process that absorbs heat
  11. 24. Symbol for Gold
  12. 25. Atomic number
  13. 26. Amount of matter in a certain space
Down
  1. 1. Change resulting from formation of new substances
  2. 2. Change that affects the shape or phase
  3. 3. Visual representation of Data
  4. 4. Amount of matter in an object
  5. 6. H20
  6. 9. Mn
  7. 10. 54th element
  8. 13. Protons
  9. 14. Substance that results from chemical reaction
  10. 16. Number of protons in neutral atom
  11. 17. Smallest unit of matter
  12. 22. Sodium
  13. 23. Substant that takes part in chemical reaction