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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 terminal of an electrolytic cell






2. To take water from a substance






3. 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)






4. Chemical reaction that results in an absorption of heat






5. Capacity to do work






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






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






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






9. A bond between atoms involving two electron pairs - unsaturated






10. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products






11. Heat content of a chemical system






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






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






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






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






16. 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






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






18. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens






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






20. Capable of being drawn into a thing wire






21. The temperature above which no gas can be liquefied - regardless of the pressure applied






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






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






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






26. 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






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






28. Containing no water






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






30. Referring to a compound composed of two elements such as water






31. High=speed - negatively charged electrons emitted in radiations






32. The measure of disorder in a system






33. 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






34. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups






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






36. A chemical action in which both heat and light are given off






37. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)






38. The minimum energy necessary to start a reaction






39. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4






40. Having no definite crystalline structure






41. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)






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






43. Temperature scale that has 32 as freezing point and 212 as boiling point






44. The breaking down of a compound into two or more simpler substances






45. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees






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






47. E=mc2 - relates mass to energy






48. Process for converting atmospheric nitrogen into compounds






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






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