IB Chemistry Holiday Crossword 2024

When you are relaxing and have got some time to spare over the holiday period you might like to try to solve this crossword which I've made up. You can download a pdf of the grid and the clues either for your own use or to give to your students. I'll post the solution just after the New Year when you will be starting to think about returning to your school. I hope you enjoy it. Geoff

Across

1. Order of reaction of bromoethane with hydroxide ions (6)
4. Optical reader does this for Paper 1 (Section A) (6)
8. Sounds as if his parents didn't think this theoretical chemist was so hot (7)
9. Reject then add oxygen gas below before subtracting one above to give this ion (7)
11. Cial and ore scrambled for a reaction initiator  (3,7)
12. Ten superscript twelve (4)
13. Review the money spent equipping your school laboratory (5)
14. Implant chemistry into students (although if you put energy in first you get the reverse effect) (8)
16. Replace OH in sulfuric acid with NH₂ to make this monobasic acid (8)
18. This shows an increase in atomic radius from F to I (5)
20. Reciprocal of 12. (4)
21. Distinct view of matter (10)
23. What the minus 1 does in kJ mol^-1 (7)
24. σ and π are both Greek (7)
25. NMR uses an external one of these (6)
26. Placed your chemicals away for future use (6)

Down
1. Cutlery may be deflagrating or disappearing (5)
2. Property of transition metal compounds (7)
3. An ionization energy of 2081 kJ mol⁻¹ provides one example for this noble gas (4,5)  
5. Result of a sloppy titration, or used to light the gas? (5)
6. Random not systematic (7)
7. Soaking wet alkane (9)
10. This keeps all your quiz marks together (9)
13. Electrolyse an ore in molten cryolite to produce this (9)
15. Juggle tend with merit but it acts to move the position of equilibrium in the wrong direction (9)
17. Describing the movement of ions through a salt bridge (7)
19. Dividing line between May and November examination sessions? (7)
21. If this is of eight, it is made of silver (5)
22. Gas constant in a Lewis species describes pungent smoke (5)

You can download a pdf of the crossword grid and clues here.