Chemistry Crossword Game

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Across
  1. 5. Who arranged the periodic table by atomic number
  2. 7. Elements that loses electrons
  3. 10. Salt
  4. 12. A reaction that means to break apart
  5. 14. The amount of reactants has to be equal to the amount of
  6. 15. A noble gas that does not have a valency of 8
  7. 17. What must be added to balance an equation
Down
  1. 1. Most reactive element in the periodic table
  2. 2. We balance an equation to follow the law of conservation of
  3. 3. A reaction that produces H2O and CO2
  4. 4. Must never be changed to balance an equation
  5. 6. The first element in the periodic table
  6. 8. Has a PH less than 7
  7. 9. Mainly found in stars
  8. 11. total number of protons in an atom
  9. 13. The most common element in the Earth’s crust
  10. 16. The only metal on Earth that is liquid at room temperature
  11. 18. The most active elements of the Halogens
  12. 19. Substance that speeds up the reaction but is not used up in the reaction