Across
- 4. See 22
- 5. Derivative if you don't let a king join a chemistry course (4)
- 9. Fat facial feature on a personal card (5)
- 10. Get lost! Go away son, back to your books (4)
- 11. Instrumental in measuring a German-Swiss mountain (6)
- 13. The volatile queen is solvent (5)
- 16. Drunk rioters could have fun (7)
- 17. Analyse Peter on his backside (5)
- 19. Gets you away from the median (8)
- 20. Article lost in a secluded hedge (6)
- 22. A woman in Highbury, but not Islington (4)
- 24. Iron buried in an Etruscan villa (5)
- 25. I cooked a lemon and got a berry (5)
- 26. In Paris able to live rather well (8)
- 28. Vegetable turned up at the bottom (4)
- 29. A very weak but important piece (4)
- 30. Gambling got John and Eva into a terrible state (6)
- 31. Tights are made for this (4,2,3)
Down
- 1. She commands, straight up (5)
- 2. Boogying with the lights off(7,2,3,4)
- 3. Could Cameron occupy a roller?It remains to be seen (7)
- 6. Beheaded a big breasted bird and found my sweetheart (5)
- 7. Not on android you can't! (8)
- 8. A feature of misdirected tracer ammunition (5)
- 9. Baby French alder in a short lease (7)
- 12. Various layers approved by a good man (10)
- 14. Take a peek around the castle (4)
- 15. Birds move e'er North again (10)
- 17. Importance of trooper on a horse (9)
- 18. The boss took us down there (3,5)
- 21. When I reduced an oxide, aluminium formed.Perfect chemistry!(5)
- 23. Blue jobs (3)
- 27. In the den, mother fox kept her cub warm