Chemistry

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Across
  1. 4. anything that takes up space and has mass
  2. 7. Energy that relates to the position, shape, or condition of an object
  3. 8. the process if the denser oceanic plate sinks into the mantle under the other plate
  4. 10. region around the nucleus which shows a possible location of the electron
  5. 11. energy cannot be created or destroyed
  6. 12. relations between heat, work, temperature, and energy
  7. 15. how accurate a measurement is to its correct value
  8. 16. the number of protons in an atom
  9. 18. negatively charged particles
  10. 19. the wants of the solution
Down
  1. 1. used to identify different metals
  2. 2. atoms with a positive charge
  3. 3. liquid at room temperature
  4. 5. the theory explaining properties of an ideal gas
  5. 6. a measurement for disorder in a system
  6. 9. a rare earth metal
  7. 13. property that does not depend on the amount of substance present
  8. 14. can only travel through solids
  9. 17. Group 8A
  10. 20. atoms that have a positive or a negative charge
  11. 21. discovered the nucleus