Heather's Chem. Crossword

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Across
  1. 3. a diatomic, gas in the alkali metal group(Group 1)
  2. 6. the seventh group on the periodic table with seven valence electrons
  3. 9. Repeatedly getting a similar answer
  4. 11. electrons located on the outermost shell of an elements
  5. 12. lustrous, conductors
  6. 13. the liquid that dissolves the solute
  7. 15. the only liquid metal on the period table
  8. 17. periods on the periodic table
  9. 18. a bond between a metal and nonmetal element
  10. 19. The elements on the periodic table with 5 valence electrons
  11. 20. the second family of the periodic table with two valence electrons
Down
  1. 1. a highly corrosive acid that is located in the human stomach and decomposes food
  2. 2. a heterogeneous mixture that can be separated by hand
  3. 4. negatively charged subatomic particles
  4. 5. moles of solute/liter of solution
  5. 7. discovered atomic nucleus using the Gold Foil experiment
  6. 8. moles of solute/kilogram of solvent
  7. 10. the gas with the smallest atomic number in the Noble gases group
  8. 14. groups or families on the periodic table
  9. 16. the group on periodic table that is the most stable and has 8 valence electrons