Chemistry Crossword

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Across
  1. 3. attractive in a pretty or endearing way.
  2. 4. group or system of interconnected people or things [7]
  3. 8. strong, coarse unbleached cloth made from hemp, flax, or similar [6]
  4. 9. La Palma volcano erupted on Sept 19 2021 [11]
  5. 10. Name of Xiao's favourite tipple [8]
  6. 11. brilliant red pigment made from mercury sulfide [10]
  7. 12. capital of new zealand [10]
Down
  1. 1. Number of the upcoming edition of 'The chemistry of explosives' [6]
  2. 2. PhD: - Doctorat [12]
  3. 4. Nikki's holiday destination [10]
  4. 5. Current CU Vice-Chancellor [12]
  5. 6. patent for this is held by the founder of the Nobel prize [8]
  6. 7. host city of this years climate conference COP26 [7]
  7. 10. 2,4,6-trinitrotoluene more commonly known as [3]