Test your basic knowledge |

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






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






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






4. Temperature scale that has 32 as freezing point and 212 as boiling point






5. Positively charged helium nuclei






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






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






8. A liquid that will conduct and electric current






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






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






11. Substance that takes water from another substance






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






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






14. Chemical reaction between an alcohol and an acid - in which an ester is formed






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






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






17. Referring to any substance that has basic properties






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






19. To take water from a substance






20. 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






21. Organic compound containing the -O- group






22. Heat content of a chemical system






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






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






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






26. The minimum energy necessary to start a reaction






27. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4






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






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






30. 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






31. The flow of a gas through a small aperture






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






33. The measure of disorder in a system






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






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






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






37. 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






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






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






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






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






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






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






44. A chance that alters the atomic structures of the substances involved and results in different properties






45. 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






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






47. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts






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






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






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