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






2. A cell in which electrolysis is carried out






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






4. The highest temperature at which water vapor condenses out of the air






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






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






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






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






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






10. Heat content of a chemical system






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






13. Organic compound containing the -O- group






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






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






16. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide






17. Unit for expressing the kinetic energy of subatomic particles; the energy acquired by an electron when it is accelerated by a potential difference of 1 volt






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






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






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






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






22. 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






23. 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






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






25. Referring to any substance that has basic properties






26. 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






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






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






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






30. E=mc2 - relates mass to energy






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






32. 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






33. Process for converting atmospheric nitrogen into compounds






34. A liquid that will conduct and electric current






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






36. 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






37. Solid carbon dioxide






38. Containing no water






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






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






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






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






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






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






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






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






47. Having no definite crystalline structure






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






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






50. 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







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