Across
- 2. measures how close a measurement is to the accepted value
- 5. has the same mass as a proton
- 7. a change from the solid state into gas without becoming a liquid
- 12. Since God created our universe, we expect that it will be _______
- 13. a liquid's resistance to flow
- 14. a measurement of mass typically used in chemistry
- 15. this introduced the idea of energy levels in atoms (two words)
- 17. the weighted average of the masses of all isotopes (two words)
- 19. negatively charged particles
- 20. this is calculated by dividing mass by volume
Down
- 1. this type of mixture is uniform throughout
- 3. change from gas to liquid
- 4. the fourth state of matter
- 6. a charged atom
- 8. Example: Carbon-13
- 9. the building block of all matter
- 10. example: color (two words)
- 11. the number of these define an atom as a certain element
- 16. anything that has mass and takes up space
- 18. the standard unit for distance
