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Test your basic knowledge |
SAT Subject Test: Chemistry Vocab
Start Test
Study First
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. 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
Dry ice
Calorimeter
erg
Atomic radius
2. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
erg
Actinide series
Fahrenheit scale
Equilibrium
3. An instrument used to measure the amount of heat liberated or absorbed during a change
Ductile
Anion
Calorimeter
Celsius scale
4. Temperature measured on the absolute scale - which has its origin at absolute zero
Base
Effusion
Absolute temperature
Density
5. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other
Filteration
Acid salt
Emulsifying agent
adsorbtion
6. A chance that alters the atomic structures of the substances involved and results in different properties
Barometer
Anhydride
Chemical change
Dew point
7. Streams of electrons given off by the cathode of a vacuum tube
Cathode rays
Barometer
Electrolysis
Einstein equation
8. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Efflorescence
Amorphous
Crystalline
Atmosphere
9. Nuclear reactor in which more fissionable material is produced than is used up during operation
Cathode rays
Breeder reactor
Atomic mass
Entropy
10. A bond between atoms involving two electron pairs - unsaturated
Coordinate covalence
Equation
Combustion
Double bond
11. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
Brownian movement
Efflorescence
Deuterium
Electron
12. Separation of the ions of an ionic compound due to the action of a solvent
Electron volt
Electrolysis
Cathode rays
Dissociation (ionic)
13. The breaking down of a compound into two or more simpler substances
Cathode
Analysis
Dipole-dipole attraction
Electrolysis
14. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Amine
Atmosphere
Density
Critical mass
15. A reaction in which two chemical substances exchange ions with the formation of two new compounds
Electronegativity
Acid salt
Double displacement
Anion
16. Breaking down of a compound into simpler substances or constituent elements
Compound
Element
Decomposition
Dialysis
17. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Antichlor
Equilibrium
eudiometer
Boiling point
18. 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
Energy
Electron
Denatured alcohol
Base
19. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4
Denatured alcohol
Acid salt
Carbon dating
Density
20. Covalence in which both electrons in a pair come from the same atom
Displacement
Brownian movement
Beta particles
Coordinate covalence
21. Positively charged helium nuclei
Alpha particles
Critical mass
Beta particles
Combustion
22. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Critical temperature
Electronegativity
Cathode
Chain reaction
23. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms
Flux
Cyclotron
Dipole-dipole attraction
Atomic mass
24. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Beta particles
distillation
Density
Emulsion
25. Referring to any substance that has basic properties
Anhydride
Alkaline
Absorption
Equilibrium
26. To take water from a substance
Anion
Effervescence
Dehydrate
Electrolyte
27. 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
Emulsion
Buffer
Amino acid
Diffusion
28. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Celsius scale
Amino acid
Carbon dating
Flux
29. E=mc2 - relates mass to energy
Emulsifying agent
Dissociation (ionic)
Atomic number
Einstein equation
30. The process whereby gases or liquids intermingle freely of their own accord
Equilibrium
Diffusion
Energy
Ester
31. A substance used to remove the excess chlorine in the bleaching process
Antichlor
Actinide series
Atomic radius
Ester
32. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Condensation
Amphoteric
Cathode rays
Combustion
33. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Acidic anhydride
Amorphous
Anion
Colloids
34. Chemical reaction between an alcohol and an acid - in which an ester is formed
Fixation of nitrogen
Effusion
Decomposition
Esterification
35. The flow of a gas through a small aperture
Deuterium
Beta particles
Effusion
Alloy
36. A terminal of an electrolytic cell
Electron volt
Breeder reactor
Electrode
Atomic radius
37. Chemical reaction that results in the giving off of heat
Electrode potential
Dew point
Exothermic
Chain reaction
38. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Empirical formula
Double bond
Deliquesence
Carbon dating
39. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Critical temperature
Destructive distillation
Covalent bonding
Cyclotron
40. Process for converting atmospheric nitrogen into compounds
Endothermic
Catalyst
Esterification
Fixation of nitrogen
41. The smallest amount of fissionable material that will sustain a chain reaction
Critical mass
Electronegativity
Electrode
Acid salt
42. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases
Chemical change
eudiometer
Binary
Density
43. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Electrode
Activation energy
Density
Deuterium
44. Solid carbon dioxide
Coordinate covalence
Effusion
Emulsifying agent
Dry ice
45. Negatively charged particle - Mass is 9.109x10(-28)
Alpha particles
Electrode
Calorie
Electron
46. The mass per unit volume of a substance; mathematical formula D=m/V
Aromatic compound
Density
Endothermic
Atomic number
47. Forms of the same element that differ in their crystalline structures
Cation
Allotropic forms
Energy
Deliquesence
48. A property of a solution that depends primarily on the concentration - not the type of particles present
Endothermic
Colligative propery
Antichlor
Bonding
49. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Alkyl
Electroplating
adsorbtion
Fission
50. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Displacement
Double displacement
Condensation
distillation