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






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






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






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






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






6. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed






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






8. The flow of a gas through a small aperture






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






10. Containing no water






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






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






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






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






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






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






17. 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






18. 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






19. The process whereby gases or liquids intermingle freely of their own accord






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






21. 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






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






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






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






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






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






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






28. A liquid that will conduct and electric current






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






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






32. An ion that has a positive charge






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






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






35. Heat content of a chemical system






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






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






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






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






40. Substance that takes water from another substance






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






42. The process of separation of a solution by diffusion through a semipermeable membrance






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






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






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






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






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






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






49. The measure of disorder in a system






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