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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. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Entropy
Fission
Electron volt
Acid
2. A substance that speeds up or slows down a reaction without being permanently changed itself
Basic anhydride
Critical mass
Catalyst
Fixation of nitrogen
3. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases
Amphoteric
Chemical change
eudiometer
Cathode
4. Heat content of a chemical system
Enthalpy
Chain reaction
Alkali
Activated Charcoal
5. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
Entropy
Barometer
Activation energy
Element
6. 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)
Antichlor
Empirical formula
Anhydrous
Anhydride
7. 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
Calorie
Exothermic
Amino acid
Allotropic forms
8. Chemical reaction between an alcohol and an acid - in which an ester is formed
Esterification
Alpha particles
Density
Alloy
9. The process of separation of a solution by diffusion through a semipermeable membrance
Amine
Diffusion
Brownian movement
Dialysis
10. A metallic oxide that forms a base when placed in water
Acidic anhydride
Energy
Antichlor
Basic anhydride
11. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Cation
distillation
Acid
Diffusion
12. The average mass of a number; bottom number on the element
Atomic mass
Analysis
Esterification
Aromatic compound
13. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Electronegativity
Celsius scale
Alloy
Einstein equation
14. 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
Atomic number
Emulsifying agent
Electron volt
Efflorescence
15. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups
Alcohol
Esterification
Antichlor
Amine
16. Referring to a compound composed of two elements such as water
Breeder reactor
Entropy
Binary
Combustion
17. Nuclear reactor in which more fissionable material is produced than is used up during operation
Amorphous
Breeder reactor
Ductile
Alkali
18. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Buffer
Covalent bonding
Base
Atomic radius
19. Having no definite crystalline structure
Cathode rays
Compound
Dehydrating agent
Amorphous
20. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Barometer
Double displacement
Control rod
Effervescence
21. Streams of electrons given off by the cathode of a vacuum tube
Crystallization
Cathode rays
Endothermic
Control rod
22. The process of separating the ions in a compound by means of electrically charged poles
eudiometer
Electrolysis
Absorption
Fixation of nitrogen
23. Process for converting atmospheric nitrogen into compounds
Amphoteric
Dialysis
Fixation of nitrogen
Chain reaction
24. The difference in potential between an electrode and the solution in which it is immpesed
Electrode potential
Dissociation (ionic)
Absorption
Aromatic compound
25. Substance that - when added to a solution - makes changing the pH of the solution more difficule
erg
Dialysis
Buffer
Catalyst
26. The highest temperature at which water vapor condenses out of the air
Atom
Actinide series
Dehydrating agent
Dew point
27. Negatively charged particle - Mass is 9.109x10(-28)
Displacement
Electron
Alcohol
Effusion
28. Separation of the ions of an ionic compound due to the action of a solvent
Cathode rays
Dissociation (ionic)
distillation
Displacement
29. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Alpha particles
Deliquesence
Atomic radius
Alloy
30. Chemical reaction that results in the giving off of heat
Acid salt
Exothermic
Dissociation (ionic)
Entropy
31. The temperature above which no gas can be liquefied - regardless of the pressure applied
Binary
Critical temperature
Buffer
Alkyl
32. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Cathode
Einstein equation
Absorption
Dew point
33. A cell in which electrolysis is carried out
Aldehyde
Double displacement
Electrolytic cell
Electrode
34. High=speed - negatively charged electrons emitted in radiations
Barometer
Beta particles
Alkaline
Antichlor
35. A substance composed of elements chemically united in definite proportions by weight
Bonding
Compound
Empirical formula
Cathode rays
36. Having definite molecular or ionic structure
Buffer
Amphoteric
Flux
Crystalline
37. A change by which an element takes the place of another element in a compound
Dehydrating agent
Calorimeter
Displacement
Alkali
38. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Electron volt
Destructive distillation
Dehydrate
Amorphous
39. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Activation energy
Decomposition
Crystallization
Brownian movement
40. A. change from gas to liquid B. the combination of molecules without water
Cation
Enthalpy
Condensation
Ductile
41. The energy needed to break a chemical bond and form a neutral atom
Bond energy
Atomic radius
Critical temperature
Equation
42. Solid carbon dioxide
Enthalpy
Dry ice
Esterification
distillation
43. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Equilibrium
Fixation of nitrogen
Aromatic compound
Equation
44. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Electrode
Amine
Barometer
Alkyl
45. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Dialysis
Amino acid
Amine
chemistry
46. Capacity to do work
Avagadro's number
Energy
Acidic anhydride
Enthalpy
47. 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
Density
Destructive distillation
Bonding
Acidic anhydride
48. A chance that alters the atomic structures of the substances involved and results in different properties
Amino acid
Chemical change
Effervescence
Anhydride
49. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Critical mass
Dipole-dipole attraction
Breeder reactor
Amphoteric
50. Forms of the same element that differ in their crystalline structures
Barometer
Filteration
Crystallization
Allotropic forms