The periodic table of elements

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Across
  1. 2. when elements are physically combined
  2. 4. the least reactive group one metal
  3. 6. the periodic table is full of these
  4. 7. the name of more than one element, chemically combine
  5. 8. unreactive elements
  6. 11. a separation technique that separates solid from liquid
Down
  1. 1. the group where halogens are
  2. 3. alkali metals
  3. 5. the name for rows in the Periodic Table
  4. 7. a common group 7 element used in some swimming pools
  5. 9. the name for columns in the periodic table
  6. 10. a separation technique that uses evaporation and condensation