Chemistry

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Across
  1. 3. temperature where a substance changes states
  2. 4. when bonds are broken
  3. 10. things we properties of something we can observe with our senses
  4. 12. making a substances PH level closer to 7
  5. 18. when atoms are bonded
  6. 19. can be shaped into a wire and conducts electricity
  7. 22. will break down other materials
  8. 23. how well it can stretch
  9. 25. two or more atoms bonded together
  10. 26. amount of matter in something
  11. 30. neutrons,electrons,and protons
  12. 32. if the nucleus explodes or decays
  13. 33. electrons outer shell of electrons
  14. 34. energy exits
  15. 35. will light on fire
  16. 36. type of bond where valence electrons are shared
  17. 37. changing something on a chemical level
  18. 38. how a material reacts with others
Down
  1. 1. energy needed to get rid of an electron
  2. 2. neutrons and protons
  3. 5. info you get from your senses
  4. 6. two or more substances together but can separate
  5. 7. harms living things
  6. 8. subatomic particle with a positive charge
  7. 9. how shiny something is
  8. 11. atoms where the number of protons and electrons aren't equal
  9. 13. energy enters
  10. 14. ion with a negative charge
  11. 15. basic building blocks of all matter
  12. 16. type of bond where the valence electrons are taken or given
  13. 17. same thing chemically but different state of matter
  14. 20. how well something conducts electricity
  15. 21. ion with a positive charge
  16. 24. subatomic particle with a negative charge
  17. 27. subatomic particle with no charge
  18. 28. an idea based on observations
  19. 29. can change shape
  20. 31. first letter of the element
  21. 39. how acidic or basic something is