Chemistry Crossword

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Across
  1. 3. - Property allowing a metal to be hammered into thin sheets
  2. 5. - Slow surface degradation of a metal from moisture, air or acid
  3. 9. - Principal ore from which aluminium is extracted
  4. 11. - Unwanted rocky/earthy impurities mixed with an ore
  5. 12. - Type of oxide, like aluminium's, that reacts with both acids and bases
  6. 13. - Heating a sulphide ore strongly in excess air to convert it to an oxide
  7. 14. - Homogeneous mixture of metals with deliberately altered properties
Down
  1. 1. - Heating a carbonate ore strongly in limited/absent air
  2. 2. - Property allowing a metal to be drawn into thin wire
  3. 3. - The only metal that is liquid at room temperature
  4. 4. - Alkali metal stored in kerosene owing to its violent reaction with water
  5. 6. - Electrode where impure metal dissolves during electrolytic refining
  6. 7. - Combining capacity determined by electrons lost, gained or shared
  7. 8. - Bond type formed when a metal's valence electrons are transferred to a non-metal
  8. 10. - Non-metal that forms allotropes; graphite breaks the non-metal "no conduction" rule