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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. An ion that has a positive charge






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






3. A reaction produced during nuclear fission when at least one neutron from each fission produces another fission - so that the process becomes self sustaining without additional external energy






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






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






6. A chance that alters the atomic structures of the substances involved and results in different properties






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






8. Having definite molecular or ionic structure






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






10. Capacity to do work






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






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






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






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






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






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






17. Capable of being drawn into a thing wire






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






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






20. Substance that takes water from another substance






21. 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)






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






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






24. Chemical reaction that results in an absorption of heat






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






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






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






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






29. 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






30. 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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31. 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






32. Referring to any substance that has basic properties






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






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






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






36. A liquid that will conduct and electric current






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






38. 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






39. The measure of disorder in a system






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






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






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






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






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






45. 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






46. 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






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






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






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






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