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






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






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






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






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






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






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






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






9. 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






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






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






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






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






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






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






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






17. An instrument used to measure the amount of heat liberated or absorbed during a change






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






19. The minimum energy necessary to start a reaction






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






21. Having definite molecular or ionic structure






22. Capable of being drawn into a thing wire






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






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






25. Process for converting atmospheric nitrogen into compounds






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






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






28. Positively charged helium nuclei






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






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






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






32. A liquid that will conduct and electric current






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






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






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






36. A compound whose basic structure contains the benzene ring; it usually has an odor






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






38. To take water from a substance






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






40. Organic compound containing the -O- group






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






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






43. 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






44. The measure of disorder in a system






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






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






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






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






49. 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






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







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