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Alkaline Alchemy: Inorganic Base Enigmas
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Adjective describing bases derived from Group 1 metals
  • 2. Alkaline earth metal whose hydroxide is sparingly soluble but distinctly basic
  • 3. Light alkali metal whose hydroxide forms strong basic solutions
  • 7. Ionized base fragment often paired with metallic elements
  • 9. A gaseous base pivotal in nitrogen fixation, named for a desert deity
  • 12. Metal whose hydroxide exhibits amphoteric behavior balancing acidity and basicity
  • 14. Polyatomic ion usually acidic but forms salts with basic oxides
  • 16. A sulfur-nitrogen compound sometimes used to study base-catalyzed reactions
  • 17. Bases derived from ammonia by replacing a hydrogen with a carbonyl group
Down
  • 4. Organic nitrogen base with electron pair capable of accepting protons
  • 5. Common group in salts, often associated with acidic rather than basic qualities
  • 6. Binary base formed by oxygen combined with metals
  • 8. An amphiprotic ion acting as a weak base in buffering blood pH
  • 10. Polyatomic ion appearing in mineral bases and buffering systems
  • 11. Anionic group forming basic structural units in clays and zeolites
  • 13. Transition metal forming oxides with basic and catalytic properties
  • 15. Complex ion of iron(VI) with high oxidative power and basic traits
  • 18. Inorganic salt ion containing chromium in +6 oxidation state, a strong base conjugate
  • 19. Polyatomic ion from boron oxide with weak basic properties
  • 20. Iron sulfide mineral that upon oxidation can form acidic or basic environments

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