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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. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent






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






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






4. Organic compound containing the -O- group






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






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






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






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






9. The minimum energy necessary to start a reaction






10. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom






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






12. Containing no water






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






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






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






16. E=mc2 - relates mass to energy






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






18. Referring to any substance that has basic properties






19. Substance that takes water from another substance






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






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






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






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






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. Capacity to do work






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






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






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






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






30. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction






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






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






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






34. Positively charged helium nuclei






35. To take water from a substance






36. Having definite molecular or ionic structure






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






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






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






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






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






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






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






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






45. The process of separation of a solution by diffusion through a semipermeable membrance






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






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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