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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. Covalence in which both electrons in a pair come from the same atom






2. The mass per unit volume of a substance; mathematical formula D=m/V






3. A reaction in which two chemical substances exchange ions with the formation of two new compounds






4. Capacity to do work






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






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






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






8. Organic compound containing the -O- group






9. Solid carbon dioxide






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






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






12. Process for converting atmospheric nitrogen into compounds






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






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






15. Heat content of a chemical system






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






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






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






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






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






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






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






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






24. The process of separation of a solution by diffusion through a semipermeable membrance






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






26. The flow of a gas through a small aperture






27. Having no definite crystalline structure






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






29. Capable of being drawn into a thing wire






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






31. 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






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






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






34. Substance that takes water from another substance






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






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






37. Referring to any substance that has basic properties






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






39. E=mc2 - relates mass to energy






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






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






42. Containing no water






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






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. 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






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






47. 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)






48. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction






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






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