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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 process of separation of a solution by diffusion through a semipermeable membrance






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






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






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






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






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






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






8. The flow of a gas through a small aperture






9. Capable of being drawn into a thing wire






10. 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






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






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






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






14. Positively charged helium nuclei






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






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






17. A terminal of an electrolytic cell






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






19. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2






20. Capacity to do work






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






22. Solid carbon dioxide






23. Containing no water






24. Organic compound containing the -O- group






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






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






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






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






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






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






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






32. Having definite molecular or ionic structure






33. 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






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






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






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






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






38. 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






39. Breaking down of a compound into simpler substances or constituent elements






40. A cell in which electrolysis is carried out






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






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






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






44. A liquid that will conduct and electric current






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






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






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






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






49. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4






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







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