Team 8

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Across
  1. 2. Positively charged ion (6)
  2. 4. The process of separating a mixture by heating and cooling (12)
  3. 6. Instrument used to measure pH (7)
  4. 7. The most abundant metal in Earth's crust (8)
  5. 11. The pH value of pure water (5)
  6. 13. The chemical formula for table salt (4)
  7. 14. Another term for a homogeneous mixture (8)
  8. 15. The lightest noble gas (6)
Down
  1. 1. A reaction that absorbs heat from the surroundings (11)
  2. 3. Type of chemical bond formed by the transfer of electrons (5)
  3. 5. The metal with the highest melting point, symbol W (8)
  4. 8. Law stating that matter cannot be created or destroyed in a chemical reaction (9)
  5. 9. The scientist who created the first periodic table (9)
  6. 10. Gas responsible for the greenhouse effect and found in soft drinks (6)
  7. 12. An element commonly used in batteries(7)