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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. 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






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






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






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






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






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






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






8. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom






9. An ion that has a positive charge






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






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






12. A terminal of an electrolytic cell






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






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






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






16. 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






17. The flow of a gas through a small aperture






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






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






20. A liquid that will conduct and electric current






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






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. To take water from a substance






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






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






26. Process for converting atmospheric nitrogen into compounds






27. Chemical reaction between an alcohol and an acid - in which an ester is formed






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






29. Heat content of a chemical system






30. 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






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






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






33. Capacity to do work






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






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






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






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






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






39. Substance that takes water from another substance






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






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






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






43. 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






44. Nuclear reactor in which more fissionable material is produced than is used up during operation






45. Chemical reaction that results in an absorption of heat






46. Containing no water






47. The measure of disorder in a system






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






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






50. Having definite molecular or ionic structure