Physical Science Ch. 3

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