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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 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)






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






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






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






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






6. Having definite molecular or ionic structure






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






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






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






10. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent






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






12. 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






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






14. Heat content of a chemical system






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






16. Substance that takes water from another substance






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






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






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






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






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






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






23. An instrument used to measure the amount of heat liberated or absorbed during a change






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






25. A metallic oxide that forms a base when placed in water






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






27. Capacity to do work






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






29. Solid carbon dioxide






30. 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






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






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






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






34. Process for converting atmospheric nitrogen into compounds






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






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






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






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






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






40. An ion that has a positive charge






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






42. E=mc2 - relates mass to energy






43. 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






44. Chemical reaction that results in an absorption of heat






45. A terminal of an electrolytic cell






46. A liquid that will conduct and electric current






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






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






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






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