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






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






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






4. Containing no water






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






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






7. An instrument used to measure the amount of heat liberated or absorbed during a change






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






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






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






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






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






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






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






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






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






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






19. 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






20. Referring to any substance that has basic properties






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






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






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






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






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






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






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






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






29. 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






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






31. Solid carbon dioxide






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






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






34. Substance that takes water from another substance






35. 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






36. The mass per unit volume of a substance; mathematical formula D=m/V






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






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






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






40. 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






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






42. Chemical reaction that results in an absorption of heat






43. Positively charged helium nuclei






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






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






46. A cell in which electrolysis is carried out






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






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






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






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