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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. Chemical reaction that results in an absorption of heat
Empirical formula
Alcohol
Chemical change
Endothermic
2. Solid carbon dioxide
Dry ice
Crystalline
Cation
Coordinate covalence
3. A metallic oxide that forms a base when placed in water
Effusion
Electrolytic cell
Basic anhydride
Fixation of nitrogen
4. Breaking down of a compound into simpler substances or constituent elements
Chemical change
Aromatic compound
Decomposition
Dehydrating agent
5. 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
Electronegativity
Celsius scale
Denatured alcohol
6. 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
Cathode
Base
Cyclotron
chemistry
7. An instrument used to measure the amount of heat liberated or absorbed during a change
Calorimeter
Emulsifying agent
Amorphous
Deuterium
8. 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
Atomic radius
Acidic anhydride
Emulsifying agent
Effervescence
9. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
Colloids
Calorie
Enthalpy
Electron volt
10. The breaking down of a compound into two or more simpler substances
Anion
Analysis
Alkali
Dehydrate
11. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction
Anhydride
Atom
Effusion
Exothermic
12. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Electrolytic cell
Celsius scale
Carbon dating
Double displacement
13. Shows only the simplest ratio of the number and kids of atoms
Empirical formula
Critical temperature
Absolute temperature
Electrolysis
14. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups
Calorie
Amine
Electrolytic cell
Alcohol
15. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Buffer
Carbon dating
Amino acid
Electron
16. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Aldehyde
Dew point
Binary
Double bond
17. A bond between atoms involving two electron pairs - unsaturated
Avagadro's number
Entropy
Deliquesence
Double bond
18. A substance composed of elements chemically united in definite proportions by weight
Amphoteric
Allotropic forms
Compound
distillation
19. The minimum energy necessary to start a reaction
Carbon dating
Effervescence
Flux
Activation energy
20. Particles larger than those found in a solution but smaller than those in a suspension
Colloids
Celsius scale
Critical temperature
Atmosphere
21. Chemical reaction between an alcohol and an acid - in which an ester is formed
Atomic radius
Esterification
Binary
Boiling point
22. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
Emulsifying agent
chemistry
Efflorescence
Buffer
23. An organic salt formed by the reaction of an alcohol with an acid
Alcohol
Electronegativity
Ester
Bond energy
24. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Esterification
Brownian movement
Breeder reactor
adsorbtion
25. A. change from gas to liquid B. the combination of molecules without water
Aromatic compound
Condensation
Crystalline
Denatured alcohol
26. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution
chemistry
Crystallization
Entropy
Acidic anhydride
27. A liquid that will conduct and electric current
Emulsion
Atomic number
Electrolyte
Amphoteric
28. Having no definite crystalline structure
distillation
Amorphous
Atomic radius
Acid salt
29. Chemical reaction that results in the giving off of heat
Exothermic
Crystalline
Bond energy
Catalyst
30. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Dipole-dipole attraction
Einstein equation
Denatured alcohol
Fission
31. Determines how a substance will behave in a chemical reaction
Amino acid
Chemical property
Crystallization
Catalyst
32. Referring to any substance that has basic properties
Deliquesence
Alkaline
eudiometer
Fixation of nitrogen
33. Absorbtion by a substance of water from the air - so that the substance becomes wet
Bond energy
Entropy
Deliquesence
Double bond
34. Science concerned with the compositions of substances and the changes that they undergo
Cation
Critical mass
Basic anhydride
chemistry
35. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Aromatic compound
Esterification
Equilibrium
Barometer
36. The temperature above which no gas can be liquefied - regardless of the pressure applied
Ether
Critical temperature
Electronegativity
Alkali
37. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide
Alkali
Absolute temperature
Dissociation (ionic)
Dew point
38. Forms of the same element that differ in their crystalline structures
Deuterium
Allotropic forms
Actinide series
Alcohol
39. The measure of disorder in a system
erg
Entropy
Acidic anhydride
Acid salt
40. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Allotropic forms
Alkyl
Emulsion
Empirical formula
41. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Esterification
Alcohol
Boiling point
distillation
42. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Amphoteric
Alpha particles
Filteration
Atomic radius
43. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
Dehydrating agent
Avagadro's number
Efflorescence
Actinide series
44. Heat content of a chemical system
Dialysis
Atomic number
Esterification
Enthalpy
45. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth
Anhydrous
Esterification
Destructive distillation
Fallout
46. 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
Critical mass
Displacement
Dry ice
Chain reaction
47. A substance that speeds up or slows down a reaction without being permanently changed itself
Catalyst
Alcohol
Fahrenheit scale
Acidic anhydride
48. Streams of electrons given off by the cathode of a vacuum tube
Dialysis
Electrode
Cathode rays
Boiling point
49. Organic compound containing the -O- group
Crystalline
Ether
Element
Atom
50. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Fahrenheit scale
Density
Celsius scale
Absorption