Final Exam S1

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Across
  1. 4. a positive charge found in the nucleus
  2. 5. Substances which react with acids. pH value 7>
  3. 7. Neutral charge found inside the nucleus
  4. 8. Molecules that move freely with no definite shape
  5. 10. A place where you can find different elements, the atomic #, Atomic Mass and symbols.
  6. 12. a proposition made as a basis for reasoning, without any assumption of its truth. Also known as a "Prediction"
  7. 13. Changing a liquid to a solid is called
  8. 14. Negative charge, found in "electron clouds" outside nucleus
Down
  1. 1. Empirical method of acquiring knowledge that has characterized the development of science. Has 7 steps in this METHOD.
  2. 2. A substance going from liquid to gas
  3. 3. Something that does not change throughout the experiment
  4. 6. The symbol most often used for this is ρ. The equation to find it is Mass/volume.
  5. 9. Molecules can flow easily with definite volume, but take shape of the container
  6. 10. a tool used to determine the pH value of an acid/base
  7. 11. Chemical substances that neutralizes alkalis, dissolves some metals. pH value >7