Avery Depper's 1st 9 week vocab

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Across
  1. 2. a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
  2. 5. a neutral particle
  3. 7. a negatively charged particle
  4. 10. the spectrum of lights
  5. 11. number of complete waves or cycles
  6. 13. a particle that subtracts an ion
  7. 14. the smallest component of an element
  8. 16. a positively charged atom
  9. 17. the number above the element
  10. 18. the center of the atom
  11. 20. the table that holds all elements
  12. 21. containing or involving electrically charged particles
  13. 22. transfer of heat through liquids
  14. 25. the element in group 18
Down
  1. 1. releasing heat
  2. 2. absorbs heat
  3. 3. atomic mass unit shortened
  4. 4. atoms with the same number of protons but not the same number of neutrons
  5. 6. what the unit for electrical energy
  6. 8. the number below the element
  7. 9. system of electrons surrounding the nucleus
  8. 12. what kind of electron is found in the outer most shells
  9. 15. distance between any give point and then same point on the next wave cycle
  10. 19. particle that adds a positive ion
  11. 23. heat transferred by touch
  12. 24. relating to the path of one body around another