Introductory crosswrod puzzle

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Across
  1. 2. Indeterminate errors
  2. 4. Leading to effective nuclear charge
  3. 6. No, no! We can't have the same number!
  4. 8. Measurement that has no uncertainty
  5. 9. Crest-to-crest
  6. 12. Reproducibility in measurements
  7. 16. Characteristic behavior of waves.
  8. 17. Hmm…. I wonder what are cathode rays?
  9. 19. Famous statement of complementarity
  10. 20. Sorry. Let’s stay single!
  11. 21. Uugh!!
  12. 22. Type of energy
  13. 23. A way to express the uncertainty of measurements
  14. 24. Determined by extent of systematic errors
Down
  1. 1. Transition from high to low (energy states)
  2. 3. Quantum number determinant of orbital shapes
  3. 5. …. and Hobbes. (Or an important SI base unit).
  4. 7. The number of 12C atoms in exactly 12 g of 12C.
  5. 8. Dependent on amount
  6. 10. System loses energy
  7. 11. I think this is the reason why you hair turned red
  8. 13. Differ in nucleus component
  9. 14. Building Up! Up! Up! Principle
  10. 15. Tom: “The cutest ion ever – it has a paws-itive charge”.
  11. 18. Radiant emission from unstable atoms