periodic table

1234567891011121314151617
Across
  1. 2. C
  2. 4. cant be broken down by physical or chemical means
  3. 5. Ag
  4. 6. table composed of 118 elements
  5. 7. positive charge
  6. 10. made the peiodic table
  7. 12. H
  8. 13. He
  9. 14. Si
  10. 15. point the temperature at which an item melts
  11. 17. Au
Down
  1. 1. point the temperature at which an item freezes
  2. 3. Ar
  3. 5. dissolve
  4. 6. bad conductors of electricity
  5. 8. negative charge
  6. 9. Be
  7. 11. good conductors of electricity
  8. 16. you eat this every day