Chemistry Crossword Puzzle

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Across
  1. 3. bond/the bond formed when two atoms share electrons
  2. 4. order for neutralization to occur, a salt and ____ must be made in a reaction
  3. 7. compound/compounds formed with no metals
  4. 9. gases/the most stable element group on the periodic table is the _______
  5. 10. that change colour depending on if it is exposed to a acid or base
  6. 13. atom that has either gained or lost an electron
  7. 14. ability to be dissolved into a liquid
  8. 16. reaction in which molecules break down
  9. 17. naturally found in pairs
  10. 19. reaction that occurs when two different atoms join together to make a --molecule
Down
  1. 1. ability for a material to be stretched
  2. 2. acid/HNO3
  3. 3. + O2 → H2O + CO2
  4. 5. lowest temperature that a liquid will ignite
  5. 6. acid
  6. 8. metals/the first group on the periodic table is the __________
  7. 11. displacement/the reaction when two different molecules switch atoms
  8. 12. ability for a material to be flattened or rolled
  9. 15. shell/the outermost shell in an atom
  10. 18. compound/compounds that have both a metal atom and a nonmetal atom