Metal and periodic table crossword

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Across
  1. 3. the chemical that is in most swimming pools but also the second halogen in the periodic table
  2. 5. The frame on the old apple watches
  3. 7. the element that spells 'Uuh' On the periodic table
  4. 10. The first semimetal in the periodic table
  5. 11. The general name for answers 1, 4, 5, 6, 9, 10, 12
  6. 12. it says Sn for it on the periodic table
Down
  1. 1. A type of glossy, shiny metal
  2. 2. term 84 on the periodic table
  3. 4. A black metal
  4. 6. term 80 in the Periodic table
  5. 8. the only unknown noble gas on the periodic table
  6. 9. The metal you get when you become 3rd place