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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. Determines how a substance will behave in a chemical reaction






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






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






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






5. 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






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






7. Chemical reaction that results in an absorption of heat






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






9. The measure of disorder in a system






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






11. One of the "building blocks" of proteins; contains one or more NH2- groups that have replaced the same number of hydrogen atoms in an organic acid






12. Substance that takes water from another substance






13. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)






14. 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






15. Solid carbon dioxide






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






17. Capacity to do work






18. The minimum energy necessary to start a reaction






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






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






21. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale






22. 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






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






24. Particles larger than those found in a solution but smaller than those in a suspension






25. Containing no water






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






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






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






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






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






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






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






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






34. Capable of being drawn into a thing wire






35. Having no definite crystalline structure






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






37. The flow of a gas through a small aperture






38. 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






39. The difference in potential between an electrode and the solution in which it is immpesed






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






41. E=mc2 - relates mass to energy






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






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






44. Referring to a compound composed of two elements such as water






45. Process for converting atmospheric nitrogen into compounds






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






47. 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






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






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






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







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