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






2. Referring to any substance that has basic properties






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






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






5. 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






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






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






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






9. Containing no water






10. Process for converting atmospheric nitrogen into compounds






11. Having definite molecular or ionic structure






12. 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






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






14. 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






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






16. 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






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






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






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






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






21. 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)






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






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






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






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






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






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






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






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






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






31. A. change from gas to liquid B. the combination of molecules without water






32. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)






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






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






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






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






37. Chemical reaction that results in an absorption of heat






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






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






40. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth






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






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






43. An ion that has a positive charge






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






45. The flow of a gas through a small aperture






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






47. 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)


48. Forms of the same element that differ in their crystalline structures






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






50. A property of a solution that depends primarily on the concentration - not the type of particles present