Test your basic knowledge |

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. High=speed - negatively charged electrons emitted in radiations






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






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






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






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






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






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






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






9. Containing no water






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






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






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






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






14. Having no definite crystalline structure






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






16. 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)

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


17. A cell in which electrolysis is carried out






18. Chemical reaction that results in an absorption of heat






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






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






21. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities






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






23. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure






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






25. 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






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






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






28. One of the "building blocks" of proteins; contains one or more NH2- groups that have replaced the same number of hydrogen atoms in an organic acid






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






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






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






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






33. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups






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






35. Process for converting atmospheric nitrogen into compounds






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






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






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






39. Having definite molecular or ionic structure






40. A chemical action in which both heat and light are given off






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






42. 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)






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






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






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






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






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






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






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






50. 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