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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 substance composed of elements chemically united in definite proportions by weight






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






3. To take water from a substance






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






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






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






7. Chemical reaction that results in an absorption of heat






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






9. Absorbtion by a substance of water from the air - so that the substance becomes wet






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






11. The flow of a gas through a small aperture






12. The measure of disorder in a system






13. 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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






29. Substance that takes water from another substance






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






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






32. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens






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






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






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






36. Having no definite crystalline structure






37. Positively charged helium nuclei






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






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






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






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






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






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






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






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






46. 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






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






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






49. 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






50. Heat content of a chemical system