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Across
  1. 4. Atom’s tendency to attract electrons
  2. 6. Isomerism producing mirror images
  3. 7. Measure of charge separation
  4. 10. Tendency of atoms to have eight electrons
  5. 11. Inner electrons reducing nuclear attraction
  6. 12. Type of isomer with different atom connections
  7. 14. Mixing of atomic orbitals
  8. 15. Bond formed by sideways orbital overlap
  9. 16. Delocalization of electrons across structure
  10. 18. Single covalent bond type
  11. 20. Type of isomer differing by spatial arrangement
  12. 22. Combining capacity of element
  13. 25. Hypothetical charge in Lewis structure
Down
  1. 1. Equal mixture of enantiomers
  2. 2. Distance between two bonded nuclei
  3. 3. Existence of compounds with same formula but different forms
  4. 5. Energy to remove an electron
  5. 8. Stereoisomers not mirror images
  6. 9. Distortion of electron cloud in molecule
  7. 13. Energy required to break bond
  8. 17. Energy released when atom gains an electron
  9. 19. Formed by overlap of atomic orbitals
  10. 21. Angle between two bonds at an atom
  11. 23. Pair of mirror-image molecules
  12. 24. Molecule not superimposable on its mirror image