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






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






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






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






6. Process for converting atmospheric nitrogen into compounds






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






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






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






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






11. Organic compound containing the -O- group






12. Substance that takes water from another substance






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






14. Solid carbon dioxide






15. To take water from a substance






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






17. 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






18. The measure of disorder in a system






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






20. Shorthand method of showing the changes that take place in a chemical reaction






21. The minimum energy necessary to start a reaction






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






23. Having no definite crystalline structure






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






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






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






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






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






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






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






31. The adhesion (in an extremely thing layer) of the molecules of gases - of dissolved substances - or of liquieds to the surfaces of solid or liquid bodies with which they come into contact






32. 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






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






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






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






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






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






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






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






40. 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






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






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






43. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones






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






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






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






47. 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






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






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






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







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