Complete Clue List
Across
1. Producing a substance of lower pH in aqueous solution, e.g. CO2 (4-7)
7. Australian multinational mining and metals company (world's largest): ___ Group Limited (init., 3)
9. First aid action for a sprained ankle (3,2)
10. An ENDING SIR, for cowards (archaic, anag., 9)
11. Examples of this type of element include boron, 20D and arsenic (9)
12. "Have I got ____ for you!" Statement from someone selling Group 14 ores (1,4)
13. Wayward FAR CHEF wants to haggle over price in 12A (anag., 7)
15. Potter's clay, thinned and used for coating or decorating ceramics (4)
18. Group 14 element (#82), soft, malleable, heavy and dense metal, found in Galena ore (4)
20. Elemental formulas, like Sn (28A) or Pb (18A) (7)
23. "Wonderful!" (5)
24. In chemistry, the [MoO4]2- anion (9)
26. I CRUSH BIT, broken up through being overly arrogant (anag., 9)
27. SET IT adrift, while stood, in old Rome (Lat., anag., 5)
28. Group 14 metal (#50) occurring as two main allotropes, alloys include bronze, pewter and solders (3)
29. ACTIONS MEMO: Change a valence electron for a different negative particle (anag., 7,4)
Down
1. Excessive (1,3,4)
2. An element from Group 18 (5,3)
3. Deadly, often the result of inhaling CO gas (5)
4. Bitterness (UK spelling, 7)
5. Salts added to foodstuffs to help prevent goitres (7)
6. Group 14 11A, (#32), chemically similar to 20D and 28A, existence predicted by Dmitri Mendeleev (9)
7. Chemistry lab burner (6)
8. Powder producer seen in laboratories and kitchens: mortar and ____ (6)
14. Superheavy Group 14 element (#114) whose name honours a Russian physicist (9)
16. Type of bonding exhibited by first two Group 14 elements, involving sharing of electrons (8)
17. Constellation; light from its stars can be analysed to determine their elemental compositions (8)
19. Downgrades (7)
20. Group 14 11A (#14), 2nd most abundant element in Earth's crust; usage: semiconductor electronics (7)
21. Small 18A pellets fired from an air gun (2,4; first word init.)
22. Group 14 element (#6) found in diamond and graphite, the basis of organic chemistry (6)
25. Not 1A; instead having a higher pH (5)