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






2. 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






3. Heat content of a chemical system






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






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






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






7. An ion that has a positive charge






8. A substance that speeds up or slows down a reaction without being permanently changed itself






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






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






11. 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






12. Capable of being drawn into a thing wire






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






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






15. Organic compound containing the -O- group






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






17. 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






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






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






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






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






22. A water wolution that contains an excess of hydroxide ions; a proton acceptor; a base turns litmus paper blue and neutralizes acids to form salts






23. A terminal of an electrolytic cell






24. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material






25. 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






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






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






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






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






30. The measure of disorder in a system






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






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






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






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






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






36. Chemical reaction that results in an absorption of heat






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






38. The rapid escape of excess gas that has been dissolved into a liquid






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






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






41. 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)






42. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts






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






44. Having no definite crystalline structure






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






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






47. Substance that takes water from another substance






48. Solid carbon dioxide






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






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






Can you answer 50 questions in 15 minutes?



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