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






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






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






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






5. 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)






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






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






8. A cell in which electrolysis is carried out






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






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






11. 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






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






13. Having definite molecular or ionic structure






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






15. E=mc2 - relates mass to energy






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






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






18. Determines how a substance will behave in a chemical reaction






19. 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






20. 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






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






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






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






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






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






26. The average mass of a number; bottom number on the element






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






28. To take water from a substance






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






30. Absorbtion by a substance of water from the air - so that the substance becomes wet






31. Capable of being drawn into a thing wire






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






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






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






35. 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






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






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






38. Containing no water






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






40. The minimum energy necessary to start a reaction






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






42. The flow of a gas through a small aperture






43. 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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44. Organic compound containing the -O- group






45. 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






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






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






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






49. Positively charged helium nuclei






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