Across
- 3. the quantum mechanical model describes these oddly shaped overlapping areas where electrons of different energy levels are likely to be found
- 6. the unique number of protons in the atoms of each element
- 7. the negatively charged particles of an atom
- 9. Thomson's model of the atom had a positive substance with negative electrons dispersed throughout
- 11. the ancient Greek credited with suggesting that all matter is made of tiny, indivisible particles
Down
- 1. atoms of the same element with differing numbers of neutrons
- 2. the subatomic particles with no charge
- 4. this man's atomic model is still used today explain electrons orbits and interactions
- 5. the total number of particles in an atom's nucleus
- 8. the kind of particles Rutherford shot at gold foil
- 10. the positively charged particles of an atom