Puzzle 10: Famous Scientists

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Across
  1. 5. – Atomic numbers for elements.
  2. 8. – Uncertainty principle.
  3. 9. – Mole concept and number.
  4. 11. – Early atomic theory development.
  5. 12. – Thermionic emission studies.
  6. 13. – Early work on electricity.
  7. 15. – Developed chemical notation and atomic weights.
  8. 16. – Quantum theory pioneer.
  9. 19. – Discovered radium and polonium.
  10. 21. – Work on cathode rays.
  11. 23. – Agricultural and organic chemistry contributions.
  12. 24. – Explained photoelectric effect.
  13. 25. – Electrochemical research.
  14. 26. – Proposed electron orbits.
  15. 28. – Electromagnetism and electrochemistry.
  16. 29. – Atomic weights and gases research.
Down
  1. 1. – Molecular quantity studies.
  2. 2. – Gas laws and pressure-volume relationship.
  3. 3. – Spectroscopy laws.
  4. 4. – Created the periodic table.
  5. 6. – Quantum mechanics wave equation.
  6. 7. – Laws of motion and optics.
  7. 10. – Synthesized urea artificially.
  8. 12. – Discovered X-rays.
  9. 14. – Pioneered analytical chemistry techniques.
  10. 17. – Studied chemical bonds.
  11. 18. – Father of modern chemistry.
  12. 20. – Proposed atomic theory.
  13. 22. – Discovered the nucleus.
  14. 27. – Discovered oxygen.