It's Elementary: Group 3 Crossword Puzzle

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November is a month when people emphasise writing: novels, quizzes, verse, questions and even crosswords. "It's Elementary" is my November 2022 crosswording theme. There has been some disagreement as to which elements constitute Group 3 of the Periodic Table. This puzzle follows the 2021 IUPAC (International Union of Pure and Applied Chemistry) recommendation that Group 3 should consist of the elements Sc, Y, Lu and Lr. There is one anagram. Enjoy!
Author: psnz - Diff: Harder [ Scores ]

ACROSS

    DOWN

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    • Complete Clue List

      Across
      1. Lacking in quantity, like how 1D ores are not concentrated in nature (6)
      4. Silvery white Group 3 metal (#71), often found in nature with 21A (8)
      10. Hospital steriliser (9)
      11. Reject (5)
      12. Plumbing problem (4)
      13. Sign on hospital bed for pre-surgical fasting (3,2,5); very applicable to ingesting Group 3 elements
      15. Most of the time (7)
      16. Pass, as time (6)
      19. Bend out of shape as metals can be (6)
      21. Group 3 metal (#39) discovered by Carl Axel Arrhenius (1787) in Sweden (7)
      23. Radioactive Group 3 element (#103), named after the physicist whose laboratory first synthesised it
      25. Organic compound with a double-bonded carbon atom and a hydroxyl group (4)
      27. ALICE worried about her lower small intestine (anag., 5)
      28. A "speedy" name for calcium oxide, found in mortar and plaster (9)
      29. Medicines (8)
      30. Brings together (6)

      Down

      1. Group 3 metal (#21) found in thortveitite, forms one of the strongest aluminium alloys known (8)
      2. Characteristic (of a chemical element) (9)
      3. Lab worker (abbr., 4)
      5. Having a function or purpose; 1D and 21A have found application in lighting systems (7)
      6. Hydrated magnesium sulfate, used medicinally and for bathing (5,5)
      7. Japanese truck manufacturer (5)
      8. Chatty starlings (6)
      9. Group 3 elements are sometimes called the 1D ____ or group (6)
      14. Emitted light; 1D and 21A have found applications in lighting systems (10)
      17. General title for someone researching Group 3 elements (9)
      18. Ore processors (8)
      20. Rhesus monkey (7)
      21. Admission of defeat (3,3)
      22. More viscous, stickier (6)
      24. Overcome utterly (5)
      26. Comparable, as with 4A and 21A (4)