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






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






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






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






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






7. Heat content of a chemical system






8. To take water from a substance






9. E=mc2 - relates mass to energy






10. Containing no water






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






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






13. 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






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






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






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






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






18. Substance that takes water from another substance






19. 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






20. Capacity to do work






21. A cell in which electrolysis is carried out






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






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






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






25. Substance that - when added to a solution - makes changing the pH of the solution more difficule






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






27. 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






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






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






30. Having no definite crystalline structure






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






32. Capable of being drawn into a thing wire






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






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






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






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






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






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






39. The mass per unit volume of a substance; mathematical formula D=m/V






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






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






42. 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






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






44. Process for converting atmospheric nitrogen into compounds






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






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






47. 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






48. 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






49. 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






50. Having definite molecular or ionic structure







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