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






2. Heat content of a chemical system






3. Substance that takes water from another substance






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






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






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






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






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






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






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






11. 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






12. To take water from a substance






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






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






15. Process for converting atmospheric nitrogen into compounds






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






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






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






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






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






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






22. Having no definite crystalline structure






23. A relatively weak force of attraction between polar molecules; a component of van der Waals forces






24. Solid carbon dioxide






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






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






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






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






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






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






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






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






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






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






36. A cell in which electrolysis is carried out






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






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






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






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






41. 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






42. 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






43. The flow of a gas through a small aperture






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






45. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water






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






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






48. 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






49. Organic compound containing the -O- group






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