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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 that results in an absorption of heat






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






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






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






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






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






9. Capable of being drawn into a thing wire






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






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






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






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






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






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






16. Positively charged helium nuclei






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






18. 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






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






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






21. Ethyl alcohol that has been poisoned in order to produce a cheaper alcohol for industrial purposes






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






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






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






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






26. Solid carbon dioxide






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






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






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






30. A cell in which electrolysis is carried out






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






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






33. 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






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






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






36. Process for converting atmospheric nitrogen into compounds






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






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






39. Having definite molecular or ionic structure






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






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






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






43. 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)






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






45. 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






46. A liquid that will conduct and electric current






47. Substance that takes water from another substance






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






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






50. Having no definite crystalline structure







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