Chemistry Final Vocabulary Review

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Across
  1. 2. the closeness of a measurement to the correct or accepted value of the quantity measured
  2. 3. to become crystallized
  3. 4. the relationship between heat and other forms of energy, and the ways energy can be transferred and transformed.
  4. 6. the process of separating mixtures based on the difference in boiling points
  5. 7. ratios relating the value of one unit of measure to another
  6. 11. A measure not only of the amount of matter, but also of the effect of Earth’s gravitational pull on that matter.
  7. 14. number, The number of protons in an atom of an element.
  8. 15. used to separate water into hydrogen and oxygen gases
  9. 16. A measurement that reflects the amount of matter.
  10. 18. The electrons in the outermost energy level, or shell, of an atom.
  11. 20. The nucleus also contains neutrons. Each neutron has approximately the same mass as a proton, but no charge.
  12. 22. An atom with a very small, dense area of positive charge at its center
  13. 23. having material existence
  14. 25. flowing freely like water
  15. 27. is the energy associated with the motion of an object
  16. 28. refers to a collection of lab techniques used to separating analyzing the components of a mixture of liquids or gases by sele
  17. 29. Small, negatively charged particles
Down
  1. 1. A positive charge equal in magnitude to an electron’s negative charge.
  2. 5. the mass of one mole of a substance.
  3. 8. the amount of energy required to raise the temperature of one gram of water by one degree Celsius
  4. 9. is stored energy associated with the position, shape, or condition of an object
  5. 10. numbers are written in the form m X 10 (to a power)
  6. 12. The study of matter and the changes that it undergoes
  7. 13. Anything that has mass and takes up space
  8. 17. in a measurement consist of all of the digits known with certainty, plus the first uncertain or estimated digit
  9. 19. is a term used to describe how disordered a system is.
  10. 21. An orbital is a three dimensional region around the nucleus that indicates the probable location of an electron.
  11. 24. two or more substances that are mixed together but not chemically combined and that may vary in proportion or amount
  12. 26. the act or process of filtering