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






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






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






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






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






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






7. 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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8. A bond between atoms involving two electron pairs - unsaturated






9. The mass per unit volume of a substance; mathematical formula D=m/V






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






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






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






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






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






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






16. A terminal of an electrolytic cell






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






18. 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






19. Capable of being drawn into a thing wire






20. Having definite molecular or ionic structure






21. Containing no water






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






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






24. 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






25. 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






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






27. Solid carbon dioxide






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






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






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






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






32. Science concerned with the compositions of substances and the changes that they undergo






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






34. To take water from a substance






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






36. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction






37. 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






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






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






40. Capacity to do work






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






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






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






44. Referring to any substance that has basic properties






45. Heat content of a chemical system






46. A metallic oxide that forms a base when placed in water






47. Having no definite crystalline structure






48. Process for converting atmospheric nitrogen into compounds






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






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







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