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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. To take water from a substance






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






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






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






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






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






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






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






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






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






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






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






13. Referring to any substance that has basic properties






14. Chemical reaction that results in an absorption of heat






15. A liquid that will conduct and electric current






16. 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






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






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






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






20. A cell in which electrolysis is carried out






21. 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






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






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






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






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






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






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






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






29. Temperature scale that has 32 as freezing point and 212 as boiling point






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






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






32. The flow of a gas through a small aperture






33. A water solution that has an excess of hydrogen ions; an acid turns litmus paper pink or red - has a sour taste - and neutralizes bases to form salts






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






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






36. Substance that takes water from another substance






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






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






39. Organic compound containing the -O- group






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






41. A terminal of an electrolytic cell






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






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






44. 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






45. Positively charged helium nuclei






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






47. 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)


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






49. Process for converting atmospheric nitrogen into compounds






50. An instrument used to measure the amount of heat liberated or absorbed during a change