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






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






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






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






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






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






7. 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






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






9. Substance that takes water from another substance






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






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






12. A terminal of an electrolytic cell






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






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






15. A reaction in which two chemical substances exchange ions with the formation of two new compounds






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






17. A cell in which electrolysis is carried out






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






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






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






21. A metallic oxide that forms a base when placed in water






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






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






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






25. 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






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






27. Chemical reaction that results in an absorption of heat






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






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






30. 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






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






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






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






34. Positively charged helium nuclei






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






36. 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






37. The minimum energy necessary to start a reaction






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






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






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






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






42. Solid carbon dioxide






43. To take water from a substance






44. Having no definite crystalline structure






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






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






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






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






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






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







Sorry!:) No result found.

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