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






2. A terminal of an electrolytic cell






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






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






5. Positively charged helium nuclei






6. Capable of being drawn into a thing wire






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






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






9. The flow of a gas through a small aperture






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






11. Referring to a compound composed of two elements such as water






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






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






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






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






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






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






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






19. An ion that has a positive charge






20. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction






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






22. 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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23. 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)






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






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






26. Referring to any substance that has basic properties






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






28. 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






29. E=mc2 - relates mass to energy






30. Chemical reaction that results in the giving off of heat






31. Having definite molecular or ionic structure






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






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






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






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






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






37. Substance that takes water from another substance






38. 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






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






40. 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






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






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






43. 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






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






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






46. Particles larger than those found in a solution but smaller than those in a suspension






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






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






49. Organic compound containing the -O- group






50. Having no definite crystalline structure