Periodic Table Crossword

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Across
  1. 3. Unique to cysteine
  2. 7. Oxidation states yellow-red, green, blue, (metallic)
  3. 8. Used in bath therapy
  4. 11. Daily recommended intake of 140μg
  5. 12. Named after a state of the USA
  6. 13. Shortest element named after a swedish village
  7. 14. Crimson-red flame
  8. 16. Earliest artificial element
  9. 18. Kalium
  10. 22. A country is named after this element
  11. 23. Densest stable metal
  12. 24. "German goblin"
  13. 26. Used for old green glass
  14. 27. Transition metal with the oldest existing sample
  15. 28. Latest-discovered element
Down
  1. 1. Oxidation states lilac, green, blue, yellow, (metallic)
  2. 2. Most expensive metal
  3. 3. Variant of cysteine
  4. 4. Longest element named after a Swedish village
  5. 5. Hydrargyrum
  6. 6. Natrium
  7. 9. Melts at -210°C
  8. 10. White colouring in toothpaste
  9. 15. Violet-red flame
  10. 17. Red, white, black and violet allotropes
  11. 19. Stibium
  12. 20. Hardest element
  13. 21. Melts in your hand
  14. 23. Heaviest element our sun produces
  15. 25. Stannum