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SAT Subject Test: Chemistry Vocab

Subjects : sat, science, chemistry
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)






2. A relatively weak force of attraction between polar molecules; a component of van der Waals forces






3. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution






4. A terminal of an electrolytic cell






5. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed






6. Chemical reaction that results in the giving off of heat






7. A substance used to remove the excess chlorine in the bleaching process






8. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure






9. An instrument used to measure the amount of heat liberated or absorbed during a change






10. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms






11. Organic compound containing the -O- group






12. The highest temperature at which water vapor condenses out of the air






13. The difference in potential between an electrode and the solution in which it is immpesed






14. Negatively charged particle - Mass is 9.109x10(-28)






15. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103






16. An ion that has a positive charge






17. The process of separation of a solution by diffusion through a semipermeable membrance






18. The number of molecules in 1 gram-molecular volume of a substance - or the number of atoms in 1 gram-atomic mass of an element 6.02 x 10(-27)

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19. Temperature measured on the absolute scale - which has its origin at absolute zero






20. In metallurgy: a substance that helps to melt and remove the solid impurities as slag






21. 1/2 the distance between adjacent nuclei in the crystalline or solid phase of an element; distance from the atomic nucleus to the valence electrons






22. A substance that speeds up or slows down a reaction without being permanently changed itself






23. To take water from a substance






24. The electrode in an electrolytic cell that is negatively charged and attracts positive ions






25. A substance composed of elements chemically united in definite proportions by weight






26. Ethyl alcohol that has been poisoned in order to produce a cheaper alcohol for industrial purposes






27. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth






28. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion






29. Referring to any substance that has basic properties






30. A compound derived from another compound by the removal of water; it will combine with water to form an acid (acidic anhydride) or base (basic anhydride)






31. Particles larger than those found in a solution but smaller than those in a suspension






32. Separation of the ions of an ionic compound due to the action of a solvent






33. The flow of a gas through a small aperture






34. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom






35. The rapid escape of excess gas that has been dissolved into a liquid






36. A compound whose basic structure contains the benzene ring; it usually has an odor






37. The union of atoms to form compounds or molecules by filling their outer shells of electonrs. This can be done through giving and taking electrons (ionic) or by sharing electrons






38. A change by which an element takes the place of another element in a compound






39. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases






40. The process whereby gases or liquids intermingle freely of their own accord






41. Determines how a substance will behave in a chemical reaction






42. Nuclear reactor in which more fissionable material is produced than is used up during operation






43. A chance that alters the atomic structures of the substances involved and results in different properties






44. Shorthand method of showing the changes that take place in a chemical reaction






45. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities






46. Streams of electrons given off by the cathode of a vacuum tube






47. Containing no water






48. The measure of disorder in a system






49. Covalence in which both electrons in a pair come from the same atom






50. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction