Across
- 6. The high-vacuum ____-ray was used to discover the electron
- 7. _____ of rays by electronically charged plates was evidence for "bodies much smaller than atoms".
- 8. Preformed the oil drop experiment
- 11. Preformed the gold foil experiment
- 13. Is the "body much smaller than an atom".
- 17. Who came up with the revolutionary idea that electrons lined up in a regular pattern
- 20. Aristotle rejected his idea resulting in the slow of atomic theory for 2,000 years.
- 21. The Quantum Mechanical Model _____ the electrons location
Down
- 1. Who expanded upon the Bohr model?
- 2. Aristotle's 4 elements were wrong because it was impossible to ____ any of them.
- 3. Is another name for Rutherford's model
- 4. Rutherford says the nucleus is 10,000 times _____ than the atom.
- 5. Discovered the electron
- 9. Greek for indivisible
- 10. Discovered the neutron
- 12. A chemical _____ is a rearrangement of atoms
- 14. Heisenberg's ____ Principle
- 15. What Dalton thought an atom was like
- 16. Claimed there were only four elements
- 18. The oil drop experiment discovered the charge and mass of the ___.
- 19. Daltons Atomic Theory says that all ____ of a given element are identical in mass and volume
