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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. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Aldehyde
Atmosphere
Control rod
Crystallization
2. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Crystalline
Chemical property
Cathode rays
Barometer
3. The process whereby gases or liquids intermingle freely of their own accord
Diffusion
Emulsion
Displacement
Endothermic
4. The measure of disorder in a system
Dew point
Cathode
Deliquesence
Entropy
5. An ion that has a positive charge
Dialysis
Alkyl
Actinide series
Cation
6. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Alkyl
erg
Cation
Acid salt
7. Capable of being drawn into a thing wire
Dehydrating agent
Empirical formula
Chemical property
Ductile
8. To take water from a substance
Dehydrate
Anhydride
Basic anhydride
Aromatic compound
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
Aldehyde
erg
Calorimeter
Effervescence
10. Process for converting atmospheric nitrogen into compounds
Einstein equation
Efflorescence
Fixation of nitrogen
Effusion
11. The energy needed to break a chemical bond and form a neutral atom
Critical temperature
Double bond
Bond energy
Fallout
12. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
erg
Beta particles
Absorption
Element
13. A cell in which electrolysis is carried out
Amino acid
Electrolytic cell
Dry ice
Emulsion
14. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Diffusion
Destructive distillation
Aromatic compound
Double displacement
15. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Aldehyde
Anhydrous
Fission
Acid
16. The temperature above which no gas can be liquefied - regardless of the pressure applied
Chain reaction
Emulsion
Esterification
Critical temperature
17. Forms of the same element that differ in their crystalline structures
Double displacement
Acidic anhydride
Allotropic forms
Beta particles
18. A change by which an element takes the place of another element in a compound
Amino acid
Displacement
Ether
Element
19. A substance that speeds up or slows down a reaction without being permanently changed itself
Electrolyte
Anion
Catalyst
distillation
20. A metallic oxide that forms a base when placed in water
Crystalline
Atomic radius
Basic anhydride
Ester
21. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups
Alcohol
Base
Amino acid
Chemical property
22. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Diffusion
Equilibrium
adsorbtion
Amorphous
23. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Basic anhydride
Dehydrating agent
Covalent bonding
Cathode
24. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material
Chemical change
Filteration
Barometer
Energy
25. Science concerned with the compositions of substances and the changes that they undergo
Entropy
chemistry
Catalyst
Boiling point
26. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Aldehyde
Effervescence
Cation
Dew point
27. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Control rod
Ether
Endothermic
Energy
28. A terminal of an electrolytic cell
Amorphous
Acidic anhydride
Electrode
Effusion
29. 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
Alkyl
Bond energy
Effusion
30. A bond between atoms involving two electron pairs - unsaturated
Atomic radius
Atmosphere
Equilibrium
Double bond
31. A relatively weak force of attraction between polar molecules; a component of van der Waals forces
Aromatic compound
Absorption
Flux
Dipole-dipole attraction
32. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4
Acidic anhydride
Basic anhydride
Acid salt
Dew point
33. A reaction produced during nuclear fission when at least one neutron from each fission produces another fission - so that the process becomes self sustaining without additional external energy
Coordinate covalence
Chain reaction
Denatured alcohol
chemistry
34. Shorthand method of showing the changes that take place in a chemical reaction
Deliquesence
Coordinate covalence
Equation
eudiometer
35. 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
erg
Beta particles
Double displacement
Electron volt
36. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Aldehyde
Emulsion
Atomic mass
Alkyl
37. Heat content of a chemical system
Coordinate covalence
Absorption
Enthalpy
Empirical formula
38. The average mass of a number; bottom number on the element
Atomic mass
Alkali
Ductile
Carbon dating
39. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Anion
Amine
Combustion
Catalyst
40. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
Dipole-dipole attraction
Anhydride
Cathode rays
Calorie
41. Absorbtion by a substance of water from the air - so that the substance becomes wet
Electron
Deliquesence
Activation energy
Dew point
42. Temperature measured on the absolute scale - which has its origin at absolute zero
Absolute temperature
Electroplating
Compound
Basic anhydride
43. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Alloy
Atomic mass
Double displacement
Cathode
44. The minimum energy necessary to start a reaction
Control rod
Electron volt
Dipole-dipole attraction
Activation energy
45. Having no definite crystalline structure
Catalyst
Deuterium
Ether
Amorphous
46. Determines how a substance will behave in a chemical reaction
Boiling point
Decomposition
Chemical property
Dry ice
47. 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
Amino acid
Density
Equilibrium
Buffer
48. A substance composed of elements chemically united in definite proportions by weight
Element
Combustion
Compound
Dialysis
49. Streams of electrons given off by the cathode of a vacuum tube
Cathode rays
Breeder reactor
Covalent bonding
Allotropic forms
50. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
distillation
Chemical property
Esterification
Effusion