Across
- 2. theory, the theory that states atoms are always in motion
- 3. laws, describes how the behavior of gases is affected by pressure, volume and temperature
- 6. a region in an atom where there is a high probability of finding electrons
- 8. Bohr, a Danish physicist, suggested that the energy of each electron was related to the electron’s path around the nucleus
- 9. foil, what is the name of the experiment which allowed Ernest Rutherford to discover that atoms’ have a densely positive nucleus?
- 13. how many known states of matter are there?
- 15. the change of state from a liquid to a solid…
- 16. ray, what was the name of the experiment which allowed Thomson to discover the electron?
- 17. this state of matter can be found everywhere in space
Down
- 1. John Dalton proposed that all matter was made of tiny particles that were
- 4. the change of state from a solid to a gas…
- 5. is the amount of force exerted per unit area of surface
- 7. in Boyle’s law, as gas decreases, volume
- 10. in Charles’ law, as temperature decreases, pressure
- 11. mass and energy are both
- 12. the Greek philosopher who suggested that the universe was made of indivisible units
- 14. and neutrons, the center of an atom contains