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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. 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






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






4. Chemical reaction that results in an absorption of heat






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






6. To take water from a substance






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






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






9. A cell in which electrolysis is carried out






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






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






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






13. 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)


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






15. Positively charged helium nuclei






16. A change by which an element takes the place of another element in a compound






17. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material






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






19. The measure of disorder in a system






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






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






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






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






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






25. 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






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






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






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






29. 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






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






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






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






33. Capable of being drawn into a thing wire






34. Organic compound containing the -O- group






35. 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






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






37. Heat content of a chemical system






38. 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






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






40. Substance that takes water from another substance






41. Solid carbon dioxide






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






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






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






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






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






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






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






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