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






2. 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






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






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






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






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






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






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






9. Capable of being drawn into a thing wire






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






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






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






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






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






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






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






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






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






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






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






22. Covalence in which both electrons in a pair come from the same atom






23. To take water from a substance






24. 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






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






26. The minimum energy necessary to start a reaction






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






28. E=mc2 - relates mass to energy






29. Heat content of a chemical system






30. A water solution that has an excess of hydrogen ions; an acid turns litmus paper pink or red - has a sour taste - and neutralizes bases to form salts






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






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






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






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






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






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






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






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






39. Having no definite crystalline structure






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






41. The measure of disorder in a 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. An ion that has a positive charge






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






46. A cell in which electrolysis is carried out






47. Containing no water






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






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






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