Test your basic knowledge |

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 smallest amount of fissionable material that will sustain a chain reaction






2. To take water from a substance






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






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






5. Heat content of a chemical system






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






7. Organic compound containing the -O- group






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






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






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






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






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






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






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






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






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






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






18. A cell in which electrolysis is carried out






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






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






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






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






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






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






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






26. In metallurgy: a substance that helps to melt and remove the solid impurities as slag






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






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






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






30. A chance that alters the atomic structures of the substances involved and results in different properties






31. 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






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






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






34. A reaction produced during nuclear fission when at least one neutron from each fission produces another fission - so that the process becomes self sustaining without additional external energy






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






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






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






38. Solid carbon dioxide






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






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






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






42. 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






43. Determines how a substance will behave in a chemical reaction






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






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






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






47. E=mc2 - relates mass to energy






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






49. The flow of a gas through a small aperture






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