Atomic theory

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  1. 3. Scientist whose model likened the atom to a plum pudding with electrons embedded in a positive matrix.
  2. 4. The cathode ray tube experiment was crucial for the discovery of this particle
  3. 5. Scientist known for proposing the atomic theory with the concept of elements consisting of atoms of the same kind.
  4. 7. Greek philosopher who proposed the concept of atoms.
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  1. 1. His gold foil experiment led to the discovery of the atomic nucleus.
  2. 2. Model that depicted the atom as a positive nucleus surrounded by electrons in orbits.
  3. 6. According to his model, electrons are considered to exist in fixed energy orbits or shells around the nucleus.