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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 at which the vapor pressure of a liquid equals the atmospheric pressure






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






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






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






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






6. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution






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






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






9. Having definite molecular or ionic structure






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






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






12. Chemical reaction that results in an absorption of heat






13. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)






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






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






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






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






18. Positively charged helium nuclei






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






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






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






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






23. 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






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






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






26. 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






27. 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






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






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






30. 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






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






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






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






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






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






36. 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






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






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






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






40. Capable of being drawn into a thing wire






41. The flow of a gas through a small aperture






42. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group






43. A cell in which electrolysis is carried out






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






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






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






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






48. Substance that takes water from another substance






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






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