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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. A terminal of an electrolytic cell






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






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






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






5. A reaction in which two chemical substances exchange ions with the formation of two new compounds






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






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






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






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






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






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






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






13. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other






14. A cell in which electrolysis is carried out






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






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






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






18. Containing no water






19. 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






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






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






22. Heat content of a chemical system






23. To take water from a substance






24. Positively charged helium nuclei






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






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






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






28. Having definite molecular or ionic structure






29. Substance that - when added to a solution - makes changing the pH of the solution more difficule






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






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






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






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






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






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






36. 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






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






38. An ion that has a positive charge






39. 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






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






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






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






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






44. Process for converting atmospheric nitrogen into compounds






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






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






47. Capable of being drawn into a thing wire






48. 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






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






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