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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. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water






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






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






4. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale






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






6. A cell in which electrolysis is carried out






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






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






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






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






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






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






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






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






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






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






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






18. Containing no water






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






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






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






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






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






24. The measure of disorder in a system






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






26. Referring to any substance that has basic properties






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






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






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






30. 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






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






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






33. 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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34. 1/2 the distance between adjacent nuclei in the crystalline or solid phase of an element; distance from the atomic nucleus to the valence electrons






35. Substance that takes water from another substance






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






37. A bond between atoms involving two electron pairs - unsaturated






38. Referring to a compound composed of two elements such as water






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






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






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






42. Organic compound containing the -O- group






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






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






45. The union of atoms to form compounds or molecules by filling their outer shells of electonrs. This can be done through giving and taking electrons (ionic) or by sharing electrons






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






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






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






49. A terminal of an electrolytic cell






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