Modeling Atoms

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Across
  1. 1. Early Greek philosophers that believed in the theory of atoms.
  2. 5. The last name of the scientist who discovered that atoms are actually just mostly empty space.
  3. 6. The theory of ____ mechanics is the modern theory of the structure of atoms.
  4. 7. The center of an atom.
Down
  1. 1. Comes from a Greek word meaning “indivisible”
  2. 2. ________ evidence is evidence you can gather about something without observing it directly.
  3. 3. The last name of the person who discovered that atoms actually had smaller parts within them.
  4. 4. In Niel Bohr’s theory, the energy ______ of an electron determines its orbit.