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






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






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






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






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






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






7. 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






8. A cell in which electrolysis is carried out






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






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






11. A terminal of an electrolytic cell






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






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






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






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






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






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






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






19. Capable of being drawn into a thing wire






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






21. Positively charged helium nuclei






22. Process for converting atmospheric nitrogen into compounds






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






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






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






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






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






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






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






30. 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






31. Solid carbon dioxide






32. A liquid that will conduct and electric current






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






34. 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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35. Chemical reaction that results in an absorption of heat






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






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






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






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






40. 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






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






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






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






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






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






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






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






48. The minimum energy necessary to start a reaction






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






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