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SAT Subject Test: Chemistry Vocab
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Subjects
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sat
,
science
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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. A property of a solution that depends primarily on the concentration - not the type of particles present
Fahrenheit scale
Ductile
Colloids
Colligative propery
2. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other
Fixation of nitrogen
Electrolyte
Emulsifying agent
Chemical property
3. The temperature above which no gas can be liquefied - regardless of the pressure applied
Critical temperature
Electroplating
Einstein equation
Electronegativity
4. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Basic anhydride
Filteration
Atmosphere
Electroplating
5. Breaking down of a compound into simpler substances or constituent elements
Dehydrating agent
Amine
Decomposition
Amino acid
6. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Empirical formula
Calorie
Alpha particles
Amine
7. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
distillation
Electrolysis
Atmosphere
Ductile
8. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Cyclotron
Alloy
Electron
Esterification
9. 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
Denatured alcohol
Electrode potential
Atomic mass
erg
10. Shows only the simplest ratio of the number and kids of atoms
Deuterium
Empirical formula
Decomposition
Entropy
11. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide
Crystalline
Absolute temperature
Alkali
Bonding
12. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
adsorbtion
Electroplating
Control rod
Efflorescence
13. High=speed - negatively charged electrons emitted in radiations
Fission
Beta particles
Aromatic compound
Antichlor
14. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Coordinate covalence
Base
distillation
Alkyl
15. The breaking down of a compound into two or more simpler substances
Analysis
Emulsifying agent
Control rod
Calorimeter
16. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Alloy
Aldehyde
Diffusion
Brownian movement
17. An instrument used to measure the amount of heat liberated or absorbed during a change
Calorimeter
Fixation of nitrogen
Atmosphere
Absorption
18. A relatively weak force of attraction between polar molecules; a component of van der Waals forces
Endothermic
Empirical formula
Alloy
Dipole-dipole attraction
19. The minimum energy necessary to start a reaction
Electrolytic cell
Base
Alkaline
Activation energy
20. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material
Catalyst
Critical temperature
Filteration
Base
21. Having definite molecular or ionic structure
Crystalline
Electron volt
Celsius scale
Electrolysis
22. Capable of being drawn into a thing wire
Electrode potential
Ductile
Acidic anhydride
Absolute temperature
23. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Carbon dating
Flux
Electrolytic cell
Control rod
24. A. change from gas to liquid B. the combination of molecules without water
Condensation
Binary
Ductile
Amine
25. Process for converting atmospheric nitrogen into compounds
Catalyst
Emulsion
Fixation of nitrogen
Absolute temperature
26. Temperature scale that has 32 as freezing point and 212 as boiling point
Amino acid
Fahrenheit scale
Electrolytic cell
Electroplating
27. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Anhydrous
Combustion
Buffer
Aldehyde
28. Positively charged helium nuclei
Chemical property
Amorphous
Breeder reactor
Alpha particles
29. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Equation
Calorimeter
Decomposition
Celsius scale
30. Streams of electrons given off by the cathode of a vacuum tube
distillation
Electron
Cathode rays
Denatured alcohol
31. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
Amorphous
Anion
Actinide series
Element
32. A liquid that will conduct and electric current
Allotropic forms
Covalent bonding
Displacement
Electrolyte
33. The process of separation of a solution by diffusion through a semipermeable membrance
Bonding
Dialysis
Activated Charcoal
Cathode rays
34. Chemical reaction between an alcohol and an acid - in which an ester is formed
Allotropic forms
Electrode
Esterification
Boiling point
35. Nuclear reactor in which more fissionable material is produced than is used up during operation
Breeder reactor
Destructive distillation
Equilibrium
Effusion
36. A compound whose basic structure contains the benzene ring; it usually has an odor
Aromatic compound
Dipole-dipole attraction
Covalent bonding
Exothermic
37. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Chain reaction
Covalent bonding
Ether
Celsius scale
38. To take water from a substance
Atomic number
Electrode
Celsius scale
Dehydrate
39. Absorbtion by a substance of water from the air - so that the substance becomes wet
Atom
Esterification
Ether
Deliquesence
40. Organic compound containing the -O- group
Critical temperature
Diffusion
Ether
Crystallization
41. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth
Fallout
Electrolytic cell
Ester
Destructive distillation
42. Covalence in which both electrons in a pair come from the same atom
Crystallization
Binary
Double bond
Coordinate covalence
43. 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
Ester
Cathode
Alkyl
Atomic radius
44. The measure of disorder in a system
Atomic radius
Alcohol
Anion
Entropy
45. Science concerned with the compositions of substances and the changes that they undergo
Fallout
chemistry
Element
Acid salt
46. 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
erg
Compound
Dry ice
47. Separation of the ions of an ionic compound due to the action of a solvent
Dissociation (ionic)
Breeder reactor
Control rod
Electron volt
48. A bond between atoms involving two electron pairs - unsaturated
Dissociation (ionic)
Double bond
Ether
Acid salt
49. 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
Electron volt
Dehydrate
Combustion
Alpha particles
50. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction
Chemical property
Coordinate covalence
Electron volt
Atom
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