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






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






3. An ion that has a positive charge






4. Temperature measured on the absolute scale - which has its origin at absolute zero






5. Substance that takes water from another substance






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






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






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






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






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






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






14. The mass per unit volume of a substance; mathematical formula D=m/V






15. 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






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






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






18. Positively charged helium nuclei






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






20. Capacity to do work






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






22. A terminal of an electrolytic cell






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






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






25. Solid carbon dioxide






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






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






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






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






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






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






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






34. E=mc2 - relates mass to energy






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






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






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






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






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






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






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






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






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






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






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






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






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






48. Separation of the ions of an ionic compound due to the action of a solvent






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






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