chemistry final crossword

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Across
  1. 2. A liquid that resists change in pH when an acid or base is added
  2. 4. There are several ways to define an acid, but they include any chemical that gives off protons or H+ in water
  3. 5. A crystal is an ordered, repeating three-dimensional pattern of ions, atoms, or molecules
  4. 7. A product is something made as a result of a chemical reaction
  5. 9. An aldehyde is any organic molecule that has a -COOH group
  6. 10. is when a solvent is added to a solution, making it less concentrated
  7. 12. A base is a compound that produces OH- ions or electrons in water or that accepts protons. An example of a common base is sodium hydroxide, NaOH
  8. 14. A node is a location in an orbital with no probability of containing an electron
  9. 16. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  10. 17. is a measure of how close a measured value is to its true value
  11. 19. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
  12. 22. a single kind of matter that is pure and has a specific set of properties
  13. 24. refers to a substance that has a high vapor pressure
  14. 25. a thing predicted; a forecast
  15. 26. the end or finish of an event or process
  16. 27. There are two common meanings for this in chemistry
Down
  1. 1. made of two or more substances that are together in the same place but are not chemically combined
  2. 3. the available body of facts or information indicating whether a belief or proposition is true or valid
  3. 4. An alcohol is any organic molecule that has an -OH group
  4. 6. a pure substance made of two or more elements chemically combined in a set ratio
  5. 7. is how repeatable a measurement is. More precise measurements are reported with more significant figures
  6. 8. is the study of heat flow. Calorimetry may be used to find the heat of reaction of two compounds or the heat of combustion of a compound, for example
  7. 11. A pure substance that cannot be broken down into any other substances by chemical or physical means
  8. 13. Avogadro's number (6.02 x 1023) of anything
  9. 15. is the movement of particles from an area of higher concentration to one of lower concentration
  10. 18. A cathode is the electrode which gains electrons or is reduced
  11. 20. a subatomic particles of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
  12. 21. relating to an atom or atoms
  13. 23. This is the liquid that dissolves a solute in solution