YEAR 8 CHEMISTRY - THE PERIODIC TABLE AND EXTRACTING METALS

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Across
  1. 3. a type of extraction used for highly reactive metals
  2. 4. a pure substance containing only one type of atom
  3. 5. the most reactive metal
  4. 6. an element with 67 protons
Down
  1. 1. the element named after the person who created the current periodic table
  2. 2. the 5th lightest element
  3. 7. a rock from which metals can be extracted