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






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






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






4. The minimum energy necessary to start a reaction






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






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






7. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups






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






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






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






11. 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






12. 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






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






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






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






16. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction






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






18. A liquid that will conduct and electric current






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






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






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






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






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






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






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






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






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






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






29. Solid carbon dioxide






30. 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)






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






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






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






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






35. Capable of being drawn into a thing wire






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






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






38. Unit of energy done by 1 dyne (1/980 g of force) acting through a distance of 1 cm; 2.4 x 10 (-11) kcal






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






40. Substance that takes water from another substance






41. Chemical reaction that results in an absorption of heat






42. 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






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






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






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






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






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






48. 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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49. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones






50. 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