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






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






3. Chemical reaction that results in an absorption of heat






4. A chemical action in which both heat and light are given off






5. Capable of being drawn into a thing wire






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






7. 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)






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






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






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






11. Having no definite crystalline structure






12. Having definite molecular or ionic structure






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






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






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






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






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






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






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






20. A change by which an element takes the place of another element in a compound






21. 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






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






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






24. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water






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






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






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






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






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






30. The average mass of a number; bottom number on the element






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






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






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






34. Containing no water






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






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






37. E=mc2 - relates mass to energy






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






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






40. A substance that speeds up or slows down a reaction without being permanently changed itself






41. Capacity to do work






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






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






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






45. 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






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






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






48. The number of molecules in 1 gram-molecular volume of a substance - or the number of atoms in 1 gram-atomic mass of an element 6.02 x 10(-27)

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






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