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






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






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






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






5. A compound whose basic structure contains the benzene ring; it usually has an odor






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






7. Capacity to do work






8. 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






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






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






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






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






13. E=mc2 - relates mass to energy






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






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






16. Nuclear reactor in which more fissionable material is produced than is used up during operation






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






18. 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)

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






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






21. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)






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






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






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






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






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






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






28. A terminal of an electrolytic cell






29. To take water from a substance






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






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






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






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






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






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






36. 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






37. 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






38. Having no definite crystalline structure






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






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






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






44. 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






45. Solid carbon dioxide






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






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






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






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






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