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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 union of atoms to form compounds or molecules by filling their outer shells of electonrs. This can be done through giving and taking electrons (ionic) or by sharing electrons






2. Referring to any substance that has basic properties






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






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






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






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






8. An ion that has a positive charge






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






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






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






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






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






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






15. Solid carbon dioxide






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






17. 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)






18. Having no definite crystalline structure






19. The flow of a gas through a small aperture






20. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor






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






22. Organic compound containing the -O- group






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






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






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






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






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






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






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






30. 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






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






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






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






34. The temperature above which no gas can be liquefied - regardless of the pressure applied






35. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent






36. Positively charged helium nuclei






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






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






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






40. Capable of being drawn into a thing wire






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






42. Science concerned with the compositions of substances and the changes that they undergo






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






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






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






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






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






48. 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






49. 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






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







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Can you answer 50 questions in 15 minutes?


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