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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. Referring to any substance that has basic properties






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






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






5. A liquid that will conduct and electric current






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






7. 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






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






9. Positively charged helium nuclei






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






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






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






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






14. Capacity to do work






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






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






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






18. Solid carbon dioxide






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






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






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






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






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






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






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






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






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






28. A metallic oxide that forms a base when placed in water






29. 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)






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






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






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






34. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group






35. A substance composed of elements chemically united in definite proportions by weight






36. The minimum energy necessary to start a reaction






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






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






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






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






41. One of the "building blocks" of proteins; contains one or more NH2- groups that have replaced the same number of hydrogen atoms in an organic acid






42. A cell in which electrolysis is carried out






43. Having definite molecular or ionic structure






44. 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






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






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






47. To take water from a substance






48. An organic salt formed by the reaction of an alcohol with an acid






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






50. The average mass of a number; bottom number on the element