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






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






3. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together






4. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction






5. A terminal of an electrolytic cell






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






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






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






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






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






11. Referring to any substance that has basic properties






12. Particles larger than those found in a solution but smaller than those in a suspension






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






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






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






16. To take water from a substance






17. Heat content of a chemical system






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






19. Process for converting atmospheric nitrogen into compounds






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






21. Determines how a substance will behave in a chemical reaction






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






23. 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






24. A liquid that will conduct and electric current






25. Substance that takes water from another substance






26. A water wolution that contains an excess of hydroxide ions; a proton acceptor; a base turns litmus paper blue and neutralizes acids to form salts






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






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






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






30. The smallest amount of fissionable material that will sustain a chain reaction






31. 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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32. Capacity to do work






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






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






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






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. E=mc2 - relates mass to energy






38. Unit for expressing the kinetic energy of subatomic particles; the energy acquired by an electron when it is accelerated by a potential difference of 1 volt






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






40. 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






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






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






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






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






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






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






47. The highest temperature at which water vapor condenses out of the air






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






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






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







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