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






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






3. The measure of disorder in a system






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






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






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






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






8. Chemical reaction that results in an absorption of heat






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






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






11. Referring to any substance that has basic properties






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






13. The flow of a gas through a small aperture






14. To take water from a substance






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






16. Positively charged helium nuclei






17. A terminal of an electrolytic cell






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






19. 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






20. Capacity to do work






21. 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






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






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






24. 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






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






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






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






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






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






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






31. 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






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






33. Organic compound containing the -O- group






34. Process for converting atmospheric nitrogen into compounds






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






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






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






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






39. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction






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






41. The process of separating the ions in a compound by means of electrically charged poles






42. 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






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






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






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






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






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






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






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






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