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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 temperature at which the vapor pressure of a liquid equals the atmospheric pressure






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






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






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






5. A reaction in which two chemical substances exchange ions with the formation of two new compounds






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






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






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






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






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






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






12. Referring to any substance that has basic properties






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






14. A substance used to remove the excess chlorine in the bleaching process






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






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






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






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






20. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom






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






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






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






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






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






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






27. A chemical action in which both heat and light are given off






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






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






30. 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)






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






32. 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






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






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






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






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






37. Substance that takes water from another substance






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






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






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






41. Heat content of a chemical system






42. The adhesion (in an extremely thing layer) of the molecules of gases - of dissolved substances - or of liquieds to the surfaces of solid or liquid bodies with which they come into contact






43. Capacity to do work






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






45. 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






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






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






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






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






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