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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 average mass of a number; bottom number on the element






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






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






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






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






6. 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






7. 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






8. A liquid that will conduct and electric current






9. Heat content of a chemical system






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






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






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






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






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






15. A terminal of an electrolytic cell






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






17. Breaking down of a compound into simpler substances or constituent elements






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






19. The measure of disorder in a system






20. A cell in which electrolysis is carried out






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






22. A compound derived from another compound by the removal of water; it will combine with water to form an acid (acidic anhydride) or base (basic anhydride)






23. Solid carbon dioxide






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






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






26. 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






27. Particles larger than those found in a solution but smaller than those in a suspension






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






29. Substance that takes water from another substance






30. A substance composed of elements chemically united in definite proportions by weight






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






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






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






34. The energy needed to break a chemical bond and form a neutral atom






35. E=mc2 - relates mass to energy






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






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






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






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






40. Having definite molecular or ionic structure






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






42. Chemical reaction that results in an absorption of heat






43. Unit of energy done by 1 dyne (1/980 g of force) acting through a distance of 1 cm; 2.4 x 10 (-11) kcal






44. Organic compound containing the -O- group






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






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






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






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






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






50. 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