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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. Substance that takes water from another substance






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






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






4. 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






5. Chemical reaction that results in an absorption of heat






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






7. A liquid that will conduct and electric current






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






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






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






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






13. A cell in which electrolysis is carried out






14. The smallest amount of fissionable material that will sustain a chain reaction






15. The flow of a gas through a small aperture






16. Organic compound containing the -O- group






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






18. Capacity to do work






19. The minimum energy necessary to start a reaction






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






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






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






23. Solid carbon dioxide






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






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






26. The measure of disorder in a system






27. Having no definite crystalline structure






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






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






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






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






32. Referring to any substance that has basic properties






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






34. Ethyl alcohol that has been poisoned in order to produce a cheaper alcohol for industrial purposes






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






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






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






38. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure






39. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion






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






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






42. 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






43. 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






44. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens






45. 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






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






47. Positively charged helium nuclei






48. Capable of being drawn into a thing wire






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






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