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






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






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






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






5. Process for converting atmospheric nitrogen into compounds






6. To take water from a substance






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






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






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






10. Capacity to do work






11. The measure of disorder in a system






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






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






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






15. Substance that takes water from another substance






16. Unit of energy done by 1 dyne (1/980 g of force) acting through a distance of 1 cm; 2.4 x 10 (-11) kcal






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






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






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






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






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






22. 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






23. Depositing a thin layer of metallic element on the surface of another metal by electrolysis






24. A liquid that will conduct and electric current






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






26. 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






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






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






29. Containing no water






30. Referring to a compound composed of two elements such as water






31. 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






32. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells






33. A cell in which electrolysis is carried out






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






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






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






37. 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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38. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other






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






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






41. 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






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






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






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






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






46. Having no definite crystalline structure






47. Positively charged helium nuclei






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






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






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