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






2. Solid carbon dioxide






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






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






5. Having no definite crystalline structure






6. Capacity to do work






7. 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






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






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






10. The measure of disorder in a system






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






12. Containing no water






13. Having definite molecular or ionic structure






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






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






16. Substance that takes water from another substance






17. Referring to any substance that has basic properties






18. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure






19. To take water from a substance






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






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






22. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide






23. A. change from gas to liquid B. the combination of molecules without water






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






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






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






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






28. Process for converting atmospheric nitrogen into compounds






29. 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






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






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






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






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






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






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






36. An ion that has a positive charge






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






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






39. A property of a solution that depends primarily on the concentration - not the type of particles present






40. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures






41. E=mc2 - relates mass to energy






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






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






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






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






46. 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






47. 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






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






49. The minimum energy necessary to start a reaction






50. A liquid that will conduct and electric current