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






2. 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






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






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






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. Having definite molecular or ionic structure






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






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






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






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






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






12. The flow of a gas through a small aperture






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






14. Capacity to do work






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






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






17. An ion that has a positive charge






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






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






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






21. Solid carbon dioxide






22. The process whereby gases or liquids intermingle freely of their own accord






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






24. E=mc2 - relates mass to energy






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






26. A liquid that will conduct and electric current






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






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






29. 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






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






31. Science concerned with the compositions of substances and the changes that they undergo






32. 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






33. 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






34. Process for converting atmospheric nitrogen into compounds






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






36. 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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37. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms






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






39. Capable of being drawn into a thing wire






40. The union of atoms to form compounds or molecules by filling their outer shells of electonrs. This can be done through giving and taking electrons (ionic) or by sharing electrons






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






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






43. A cell in which electrolysis is carried out






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






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






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






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






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






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






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