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






2. In metallurgy: a substance that helps to melt and remove the solid impurities as slag






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






4. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees






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






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






7. 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






8. Substance that takes water from another substance






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






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






11. 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






12. An ion that has a positive charge






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






14. A liquid that will conduct and electric current






15. The flow of a gas through a small aperture






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






17. A terminal of an electrolytic cell






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






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






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






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






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






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






24. 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






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






26. Temperature scale that has 32 as freezing point and 212 as boiling point






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






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






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






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






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






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






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






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






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






36. 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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37. Determines how a substance will behave in a chemical reaction






38. Capable of being drawn into a thing wire






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






40. 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






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






42. Capacity to do work






43. Organic compound containing the -O- group






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






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






46. 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






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






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






49. Referring to any substance that has basic properties






50. 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