Complete Clue List
Across
1. Chemist Ralph A. ____ (1920-1973), co-discoverer of curium (Cm) in 1944
4. Certain rechargeable battery, briefly
7. Chrome green (Cr2O3) pigment was valued by these painters because of its rich colour
8. Common gas mixture in which many 2Ds tarnish
9. Chemical element No. 50, a component of bronze with copper (Cu)
10. Cobalt's (Co) colour described using element No. 47
13. Chlorine's (Cl) state at room temperature
15. Coat gently as 7A might do with paint
17. Curious or shonky (Brit., informal)
19. Cerium (Ce) metal catches fire when scratched and is useful in lighter ____
22. Conflict (1914-'18), briefly; saw chlorine (Cl) used as a poison 13A
24. Copper (Cu) and 9A alloy usage named the Bronze ____ (c. 3300 BCE to c. 1200 BCE)
25. Cadet, e.g.
26. Chemical elements in group 2 of the periodic table are named alkaline ____ metals after their oxides
27. Crude abode
Down
1. Commercial acids and pumice stones may be used to "stonewash" these pants
2. Calcium (Ca), Chromium (Cr), or Caesium (Cs), e.g. (sing.)
3. Commented cheekily
4. Cosy spot
5. Cowbell sound
6. Challenges
11. Critical hosp. area (init.) which may have some antimicrobial copper (Cu) surfaces
12. Churchill's "so few" (init.) whose aircraft may have used anti-corrosive cadmium-plated fasteners
14. Creative work(s), sometimes produced using carbon (C), in pencil or charcoal
16. Chlorine-containing disinfectant and whitener
17. Californium (Cf), element No. 98, named after the university and ____ where it was first synthesised
18. Curse
20. Co-discoverer of copernicium (Cn), element No. 112: Bulgarian physicist Victor ____
21. Chromium (Cr) alloyed with iron produces stainless ____
23. Cast wearer's frustration