Fixed paths where electrons orbit the nucleus

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Across
  1. 2. Found in the outer shell of atoms and determine which group the element is in
  2. 5. Scientist who discovered the neutron
  3. 6. A property of metals meaning they can be bent into particular shapes
  4. 7. An arrangement in the periodic table where elements have similar properties
  5. 9. The scientist who discovered the electron
  6. 11. A negatively charged sub-atomic particle
  7. 12. Elements with the same number of protons but a different mass number/number of neutrons
  8. 14. The number for how the periodic table is arranged
Down
  1. 1. The scientist who proposed electrons orbit the nucleus
  2. 3. The central part of an atom
  3. 4. Metals conduct this very well
  4. 8. Fixed paths where electrons orbit the nucleus
  5. 10. A sub-atomic particle with no charge
  6. 13. Positively charged particle in the nucleus