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