Chemistry

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Across
  1. 1. A negatively charged particle in an atom
  2. 3. Change when new substances are made
  3. 5. When molecules slowly go from liquid to vapor
  4. 8. An element class that can be non-shiny & gases
  5. 10. When oxygen is lost to form another substance
  6. 11. State of matter w/ no definite volume or shape
  7. 13. Small particle that makes of everything
  8. 15. State of matter w/ a definite shape and volume
  9. 17. Type of reaction in which heat is released
  10. 20. A neutral particle in an atom
  11. 21. Type of bond between metals
  12. 24. Combo of elements that aren't chemically bonded
  13. 25. The space occupied by matter
  14. 26. A solid substance with a definite geometrical shape, straight edges, and flat surface.
  15. 27. change from a liquid to a solid
  16. 30. Reaction where a substance combines w/ oxygen
  17. 31. Largest class of elements
  18. 32. Has metal/nonmetal characteristics
Down
  1. 2. change from a gas to a liquid
  2. 4. A positively charged particle in an atom
  3. 5. Type of reaction in which heat is absorbed
  4. 6. change from a solid to a gas
  5. 7. A substance made up of one type of atom
  6. 9. When oxygen is combined with a substance
  7. 12. Two or more atoms that are chemically bonded
  8. 14. Two or more combined that are not chemically bonded
  9. 16. Change when no new substances are made
  10. 18. Type of bond in which electrons are given/taken
  11. 19. A mixture of 2 or more metals or a metal/nonmetal
  12. 22. Type of bond in which electrons are shared
  13. 23. An atom that has a different number of neutrons
  14. 28. Atom that's charged b/c it lost or gained an electron
  15. 29. State of matter w/ definite volume but not shape