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






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






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






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






5. Process for converting atmospheric nitrogen into compounds






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






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






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






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






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






11. The measure of disorder in a system






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






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






14. Organic compound containing the -O- group






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






16. Having no definite crystalline structure






17. The energy needed to break a chemical bond and form a neutral atom






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






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






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






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






22. Positively charged helium nuclei






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






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






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






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






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






28. 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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29. A terminal of an electrolytic cell






30. A cell in which electrolysis is carried out






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






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






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






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






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






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






37. The flow of a gas through a small aperture






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






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






40. A liquid that will conduct and electric current






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






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






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






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






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






46. To take water from a substance






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






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






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






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