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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 metallic oxide that forms a base when placed in water






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






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






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






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






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






7. An organic salt formed by the reaction of an alcohol with an acid






8. The flow of a gas through a small aperture






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






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






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






12. The union of atoms to form compounds or molecules by filling their outer shells of electonrs. This can be done through giving and taking electrons (ionic) or by sharing electrons






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






14. 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






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






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






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






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






19. Containing no water






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






21. Positively charged helium nuclei






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






23. 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






24. Referring to any substance that has basic properties






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






26. 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






27. An ion that has a positive charge






28. E=mc2 - relates mass to energy






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






30. Chemical reaction that results in an absorption of heat






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






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






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






34. Process for converting atmospheric nitrogen into compounds






35. 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






36. 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)






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






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






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






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






41. Substance that takes water from another substance






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






43. Heat content of a chemical system






44. Organic compound containing the -O- group






45. A liquid that will conduct and electric current






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






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






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






49. Absorbtion by a substance of water from the air - so that the substance becomes wet






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