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






2. 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






3. The highest temperature at which water vapor condenses out of the air






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






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






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






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






8. 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)






9. 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






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






11. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed






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






13. Capacity to do work






14. Solid carbon dioxide






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






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






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






18. Substance that takes water from another substance






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






20. E=mc2 - relates mass to energy






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






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






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






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






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






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






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






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






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






30. A cell in which electrolysis is carried out






31. The minimum energy necessary to start a reaction






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






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






34. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion






35. The measure of disorder in a system






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






37. To take water from a substance






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






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






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






41. 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






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






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






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






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






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






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






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






49. The flow of a gas through a small aperture






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







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