Across
- 2. - Shared‑electron bond.
- 4. - Compound of only carbon and hydrogen.
- 7. - Outer‑shell bonding electron.
- 10. - Non‑aromatic cyclic compound.
- 12. - Oxygen linking two alkyl groups.
- 14. - Study of carbon compounds.
- 18. - Non‑aromatic carbon chains or rings.
- 20. - Compound with an –OH group.
- 23. - Describes electron energy and position.
- 24. - Atoms aim for 8 valence electrons for stability.
- 25. - Molecule with partial charge separation.
- 26. - Hydrocarbon with a triple bond.
- 27. - Carbonyl at chain end.
- 29. - International chemical naming system.
- 30. - Hydrocarbon with a double bond.
- 32. - Electrostatic attraction between charged ions.
- 33. - Carbonyl group inside a carbon chain.
Down
- 1. - Saturated ring hydrocarbon.
- 3. - Positive nucleus particle.
- 5. - Simplest single‑bonded alkane (CH₄).
- 6. - Alkane missing a hydrogen, acts as a substituent.
- 8. - Force holding atoms together.
- 9. - Neutral nucleus particle.
- 11. - Electron shell distance from nucleus.
- 13. - -COOR group, often fragrant.
- 15. - Atom/group replacing hydrogen in a chain.
- 16. - Carbon’s ability to form long chains.
- 17. - Six‑carbon aromatic ring.
- 18. - Alkane minus one hydrogen.
- 19. - Compound with –COOH group.
- 21. - Four‑carbon alkane.
- 22. - Region where electrons reside.
- 27. - Saturated hydrocarbon with single bonds.
- 28. - Negative subatomic particle.
- 31. - Ring structure of atoms.