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






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






3. The flow of a gas through a small aperture






4. Organic compound containing the -O- group






5. Capacity to do work






6. Capable of being drawn into a thing wire






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






8. Process for converting atmospheric nitrogen into compounds






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






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






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






12. 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






13. 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






14. Having definite molecular or ionic structure






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






16. Chemical reaction that results in an absorption of heat






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






18. 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






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






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






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






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






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






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






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






26. 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






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






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






29. To take water from a substance






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






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






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






33. 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






34. A cell in which electrolysis is carried out






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






36. 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






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






38. A liquid that will conduct and electric current






39. E=mc2 - relates mass to energy






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






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






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






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






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






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






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






47. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale






48. 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






49. Having no definite crystalline structure






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