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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. A reaction in which two chemical substances exchange ions with the formation of two new compounds






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






3. Shows only the simplest ratio of the number and kids of atoms






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






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






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






7. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts






8. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group






9. Referring to any substance that has basic properties






10. Absorbtion by a substance of water from the air - so that the substance becomes wet






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






12. 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






13. One of the "building blocks" of proteins; contains one or more NH2- groups that have replaced the same number of hydrogen atoms in an organic acid






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






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






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






17. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms






18. The smallest amount of fissionable material that will sustain a chain reaction






19. The process of forming definitely shaped crystals when water is evaporated from a solution of the substance






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






21. The adhesion (in an extremely thing layer) of the molecules of gases - of dissolved substances - or of liquieds to the surfaces of solid or liquid bodies with which they come into contact






22. Forms of the same element that differ in their crystalline structures






23. Chemical reaction that results in an absorption of heat






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






25. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale






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






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






28. The process of separating the ions in a compound by means of electrically charged poles






29. Containing no water






30. An ion or particle that has a negative charge and thus is attracted to a positively charged anode






31. Depositing a thin layer of metallic element on the surface of another metal by electrolysis






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






33. An organic salt formed by the reaction of an alcohol with an acid






34. A cell in which electrolysis is carried out






35. The average mass of a number; bottom number on the element






36. A reaction produced during nuclear fission when at least one neutron from each fission produces another fission - so that the process becomes self sustaining without additional external energy






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






38. Unit of energy done by 1 dyne (1/980 g of force) acting through a distance of 1 cm; 2.4 x 10 (-11) kcal






39. To take water from a substance






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






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






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






43. The energy needed to break a chemical bond and form a neutral atom






44. Process for converting atmospheric nitrogen into compounds






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






46. 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






47. Substance that - when added to a solution - makes changing the pH of the solution more difficule






48. The flow of a gas through a small aperture






49. Breaking down of a compound into simpler substances or constituent elements






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







Sorry!:) No result found.

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