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






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






3. 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






4. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor






5. 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






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






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






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






9. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2






10. 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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11. The flow of a gas through a small aperture






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






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






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






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






16. A water solution that has an excess of hydrogen ions; an acid turns litmus paper pink or red - has a sour taste - and neutralizes bases to form salts






17. An ion that has a positive charge






18. A liquid that will conduct and electric current






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






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






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






22. Chemical reaction between an alcohol and an acid - in which an ester is formed






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






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






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






27. Containing no water






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






29. 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






30. Heat content of a chemical system






31. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material






32. Substance that takes water from another substance






33. 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)






34. 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






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






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






37. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water






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






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






40. Chemical reaction that results in an absorption of heat






41. E=mc2 - relates mass to energy






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






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






44. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope






45. Process for converting atmospheric nitrogen into compounds






46. Having no definite crystalline structure






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






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






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






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