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






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






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






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






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






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






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






8. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103






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






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






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






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






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






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






15. 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






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






17. 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






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






19. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide






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






21. Solid carbon dioxide






22. The minimum energy necessary to start a reaction






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






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






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






26. Having definite molecular or ionic structure






27. A terminal of an electrolytic cell






28. Containing no water






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






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






31. 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






32. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure






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






34. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent






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






36. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together






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






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






39. Capacity to do work






40. Substance that takes water from another substance






41. Having no definite crystalline structure






42. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones






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






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






45. A water solution that has an excess of hydrogen ions; an acid turns litmus paper pink or red - has a sour taste - and neutralizes bases to form salts






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






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






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






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






50. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products