chemistry review

12345678910111213141516171819202122232425262728293031323334353637
Across
  1. 2. What are good conductors, shiny, and ductile?
  2. 3. What's a substance that cannot be broken down by chemicals?
  3. 4. What's in each column?
  4. 5. What's in each row?
  5. 9. A ________ mixture that cannot easily be separated.
  6. 11. What's it called for two or more substances that are combined without chemicals?
  7. 12. What is a quantitative description that includes both a number and a unit?
  8. 15. _______ energy is also called radiant energy
  9. 18. ______ metals are found in group 1.
  10. 20. A small, whole number that appears in front of a formula.
  11. 21. _______ bonds consist of two metals.
  12. 23. A ______ reaction is when a single compound breaks down.
  13. 25. What's the tendency of a substance to undergo chemical reaction?
  14. 27. What's it called to go from a solid to a gas?
  15. 29. a is the symbol for an _____ particle.
  16. 30. What's the ability to do work and make change possible?
  17. 31. ________ bonds are made of two nonmetals
  18. 32. what is the SI base unit for temperature?
  19. 33. A _____ reaction is when two or more substances combine.
  20. 34. What are poor conductors, brittle, dull, and gases?
  21. 37. _______ bonds are composed of metals and nonmetals
Down
  1. 1. A _____ has a definite shape, volume, and melting point.
  2. 2. What measures the distance?
  3. 3. ______ is when an electron drops from a higher energy level to a lower energy level and emits light.
  4. 6. ________are in group 17 and are salt formers.
  5. 7. The _____rule says atoms will combine to have 8 valence electrons.
  6. 8. Hydroxide is a _______.
  7. 9. A ________ mixture that can be separated.
  8. 10. A ______ reaction is a chemical reaction in which the products reform the original reactants.
  9. 13. What's the formation of a positive ion?
  10. 14. The ______ yield is the amount of a product mathematically possible.
  11. 16. What's the measure of how close a series of measurements are to one another?
  12. 17. Hydronium is a ______.
  13. 19. What's the measure of how close a measurement comes to the actual or true value of whatever is measured?
  14. 22. What's the formation of a negative ion?
  15. 24. What's the mixing of the particles of 2 substances caused by their random motion?
  16. 26. What is a chemical substance of two or more different chemical elements?
  17. 28. What are properties of metals and nonmetals, solids, and semi-conductors?
  18. 35. What has a definite volume but no definite shape?
  19. 36. Who's the scientist that compared electrons in an atom to planets in the solar system?