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Test your basic knowledge |
SAT Subject Test: Chemistry Vocab
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Subjects
:
sat
,
science
,
chemistry
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Breaking down of a compound into simpler substances or constituent elements
distillation
Brownian movement
Decomposition
Alpha particles
2. Having definite molecular or ionic structure
erg
Celsius scale
Crystalline
Alkyl
3. A. change from gas to liquid B. the combination of molecules without water
Dehydrating agent
Chemical property
Condensation
Emulsion
4. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Electroplating
Element
Absolute temperature
Celsius scale
5. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms
Cyclotron
Electrolytic cell
Electrolyte
Atomic number
6. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth
Aromatic compound
Chemical change
Fallout
Aldehyde
7. Science concerned with the compositions of substances and the changes that they undergo
Fahrenheit scale
Element
Base
chemistry
8. 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)
Equilibrium
Condensation
Anhydride
Dialysis
9. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Destructive distillation
Calorie
Effervescence
Celsius scale
10. 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
Base
Control rod
Atom
Chemical change
11. The minimum energy necessary to start a reaction
Flux
Calorie
Activation energy
Amphoteric
12. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide
Electrolysis
Alkali
Dipole-dipole attraction
Crystallization
13. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Covalent bonding
Flux
Decomposition
Brownian movement
14. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Element
Binary
Colloids
Activated Charcoal
15. Containing no water
Anhydrous
Fallout
erg
Critical mass
16. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Catalyst
Bond energy
Celsius scale
Control rod
17. Negatively charged particle - Mass is 9.109x10(-28)
Dehydrate
Destructive distillation
Electron
Basic anhydride
18. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Critical mass
Emulsifying agent
Atmosphere
Aldehyde
19. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
Acid salt
Absolute temperature
Alcohol
Calorie
20. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Boiling point
Anion
Electron
distillation
21. Substance that takes water from another substance
Dehydrating agent
Fahrenheit scale
erg
distillation
22. A reaction in which two chemical substances exchange ions with the formation of two new compounds
Electrolyte
Decomposition
Double displacement
Aldehyde
23. The process whereby gases or liquids intermingle freely of their own accord
Condensation
Acid
Diffusion
Control rod
24. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Density
Cathode
Bonding
Ductile
25. Having no definite crystalline structure
Double displacement
Amorphous
Aldehyde
Acid salt
26. Chemical reaction that results in the giving off of heat
Double displacement
Density
Exothermic
Control rod
27. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
Actinide series
Effervescence
Cation
Electron volt
28. A compound whose basic structure contains the benzene ring; it usually has an odor
Aldehyde
Analysis
erg
Aromatic compound
29. The process of separation of a solution by diffusion through a semipermeable membrance
distillation
Electron volt
Dialysis
Ductile
30. A chance that alters the atomic structures of the substances involved and results in different properties
Fixation of nitrogen
Activated Charcoal
Chemical change
Carbon dating
31. Organic compound containing the -O- group
Ether
Atomic number
Base
Alkyl
32. A property of a solution that depends primarily on the concentration - not the type of particles present
Colligative propery
Atmosphere
Electrolyte
Covalent bonding
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
Dipole-dipole attraction
Bonding
Colligative propery
Absolute temperature
34. The average mass of a number; bottom number on the element
Atomic mass
Anion
Chain reaction
Exothermic
35. Referring to a compound composed of two elements such as water
Critical mass
Electrolysis
Effusion
Binary
36. A change by which an element takes the place of another element in a compound
Cation
Brownian movement
Ester
Displacement
37. Shorthand method of showing the changes that take place in a chemical reaction
Equation
Fallout
Critical mass
Control rod
38. Temperature measured on the absolute scale - which has its origin at absolute zero
Electron volt
Dialysis
Critical mass
Absolute temperature
39. Capacity to do work
Esterification
Amine
Anhydrous
Energy
40. 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
Diffusion
Equilibrium
Acid
Denatured alcohol
41. Chemical reaction between an alcohol and an acid - in which an ester is formed
Efflorescence
Esterification
Coordinate covalence
Absolute temperature
42. The highest temperature at which water vapor condenses out of the air
Dew point
Alkyl
Crystalline
Equation
43. An ion that has a positive charge
Atomic number
Calorie
Cation
Celsius scale
44. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material
Carbon dating
Filteration
Cyclotron
Bond energy
45. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Deuterium
Activated Charcoal
Electron volt
Amine
46. High=speed - negatively charged electrons emitted in radiations
Beta particles
Electrode potential
Allotropic forms
Activation energy
47. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
Fallout
Emulsifying agent
Critical temperature
Efflorescence
48. 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
Chemical property
Actinide series
Acid
erg
49. The breaking down of a compound into two or more simpler substances
Boiling point
Electroplating
Denatured alcohol
Analysis
50. The measure of disorder in a system
Endothermic
Deliquesence
Ductile
Entropy
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