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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 nonmetallic oxide that - when placed in water - reacts to form an an acid solution






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






3. 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






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






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






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






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






8. E=mc2 - relates mass to energy






9. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor






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






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






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






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






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






15. To take water from a substance






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






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






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






19. A liquid that will conduct and electric current






20. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction






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






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






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






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






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






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






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






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






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






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






31. 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






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






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






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






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






36. 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






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






38. 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)






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






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






41. The measure of disorder in a system






42. 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






43. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction






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






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






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






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






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






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






50. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together







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