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






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






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






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






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






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






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






8. 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






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






10. 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






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






12. Capable of being drawn into a thing wire






13. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4






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






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






16. The measure of disorder in a system






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






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






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






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






21. An ion that has a positive charge






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






23. Referring to any substance that has basic properties






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






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






26. The average mass of a number; bottom number on the element






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






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






29. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells






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






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






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






33. A terminal of an electrolytic cell






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






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






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






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






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






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






40. The flow of a gas through a small aperture






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






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






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






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






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






46. Organic compound containing the -O- group






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






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






49. Heat content of a chemical system






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