Chemistry Review Crossword Puzzle

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Across
  1. 2. Hydronium is a ______.
  2. 4. _______ energy is also called radiant energy
  3. 5. What are properties of metals and nonmetals, solids, and semi-conductors?
  4. 7. What's the tendency of a substance to undergo chemical reaction?
  5. 9. What's in each column?
  6. 11. Who's the scientist that compared electrons in an atom to planets in the solar system?
  7. 13. ________are in group 17 and are salt formers.
  8. 16. What is a quantitative description that includes both a number and a unit?
  9. 18. What's it called for two or more substances that are combined without chemicals?
  10. 20. What's it called to go from a solid to a gas?
  11. 21. A _____ has a definite shape, volume, and melting point.
  12. 23. what is the SI base unit for temperature?
  13. 24. What's the ability to do work and make change possible?
  14. 25. A small, whole number that appears in front of a formula.
  15. 28. What measures the distance?
  16. 29. What is a chemical substance of two or more different chemical elements?
  17. 32. A ________ mixture that can be separated.
  18. 33. Hydroxide is a _______.
  19. 35. A _____ reaction is when two or more substances combine.
  20. 37. _______ bonds are composed of metals and nonmetals
  21. 38. What are poor conductors, brittle, dull, and gases?
  22. 39. ________ bonds are made of two nonmetals
  23. 40. What has a definite volume but no definite shape?
Down
  1. 1. What's the formation of a positive ion?
  2. 3. A ________ mixture that cannot easily be separated.
  3. 6. What are good conductors, shiny, and ductile?
  4. 8. What's the formation of a negative ion?
  5. 10. A ______ reaction is a chemical reaction in which the products reform the original reactants.
  6. 12. The _____rule says atoms will combine to have 8 valence electrons.
  7. 14. ______ metals are found in group 1.
  8. 15. A ______ reaction is when a single compound breaks down.
  9. 17. ______ is when an electron drops from a higher energy level to a lower energy level and emits light.
  10. 19. What's a substance that cannot be broken down by chemicals?
  11. 22. What's in each row?
  12. 26. What's the measure of how close a measurement comes to the actual or true value of whatever is measured?
  13. 27. The ______ yield is the amount of a product mathematically possible.
  14. 30. What's the mixing of the particles of 2 substances caused by their random motion?
  15. 31. What's the measure of how close a series of measurements are to one another?
  16. 34. a is the symbol for an _____ particle.
  17. 36. _______ bonds consist of two metals.