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






2. A cell in which electrolysis is carried out






3. Substance that takes water from another substance






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






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






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






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






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






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






10. A terminal of an electrolytic cell






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






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






13. Capable of being drawn into a thing wire






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






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






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






17. Having no definite crystalline structure






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






19. Solid carbon dioxide






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






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






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






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






24. 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)






25. Heat content of a chemical system






26. Having definite molecular or ionic structure






27. A substance that speeds up or slows down a reaction without being permanently changed itself






28. 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






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






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






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






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






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






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






35. Capacity to do work






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






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






38. 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






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






40. The measure of disorder in a system






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






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






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






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






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






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






47. The flow of a gas through a small aperture






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






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






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