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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. 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






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






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






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






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






6. Heat content of a chemical system






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






8. Containing no water






9. The flow of a gas through a small aperture






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






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






12. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms






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






14. A substance that speeds up or slows down a reaction without being permanently changed itself






15. 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






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






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






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






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






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






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






22. Substance that takes water from another substance






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






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






25. Solid carbon dioxide






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






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






28. A cell in which electrolysis is carried out






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






30. Process for converting atmospheric nitrogen into compounds






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






32. Having no definite crystalline structure






33. Breaking down of a compound into simpler substances or constituent elements






34. A liquid that will conduct and electric current






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






36. Capacity to do work






37. 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






38. The measure of disorder in a system






39. 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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40. Organic compound containing the -O- group






41. Positively charged helium nuclei






42. Having definite molecular or ionic structure






43. 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






44. A relatively weak force of attraction between polar molecules; a component of van der Waals forces






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






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






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






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






49. An ion that has a positive charge






50. To take water from a substance