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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 terminal of an electrolytic cell






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






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






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






5. A reaction in which two chemical substances exchange ions with the formation of two new compounds






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






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






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






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






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






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






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






13. Heat content of a chemical system






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






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






16. Capacity to do work






17. The measure of disorder in a system






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






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






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






21. Solid carbon dioxide






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






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






24. Having definite molecular or ionic structure






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






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






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






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






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






30. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts






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






32. A chance that alters the atomic structures of the substances involved and results in different properties






33. 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






34. 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






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






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






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






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






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






40. E=mc2 - relates mass to energy






41. The smallest amount of fissionable material that will sustain a chain reaction






42. 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






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






44. 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






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






46. Substance that takes water from another substance






47. Positively charged helium nuclei






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






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






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