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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. A cell in which electrolysis is carried out
Amino acid
Dialysis
Electrolytic cell
Boiling point
2. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Deuterium
chemistry
Colloids
Amphoteric
3. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Dialysis
Avagadro's number
Alkyl
Atom
4. The minimum energy necessary to start a reaction
Activation energy
Einstein equation
Alloy
Fahrenheit scale
5. Heat content of a chemical system
Enthalpy
Amino acid
chemistry
Effusion
6. 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
Amphoteric
Brownian movement
Base
Bonding
7. Shorthand method of showing the changes that take place in a chemical reaction
Equation
eudiometer
Covalent bonding
Atomic number
8. Positively charged helium nuclei
Control rod
Basic anhydride
Avagadro's number
Alpha particles
9. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Barometer
Bonding
Entropy
Combustion
10. A chance that alters the atomic structures of the substances involved and results in different properties
Fission
Entropy
Chemical change
Basic anhydride
11. The mass per unit volume of a substance; mathematical formula D=m/V
Control rod
chemistry
Density
Beta particles
12. Forms of the same element that differ in their crystalline structures
Dehydrating agent
Colloids
Allotropic forms
Activation energy
13. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
erg
Calorie
Atmosphere
Boiling point
14. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Flux
Anion
Atom
Compound
15. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction
Calorimeter
Atom
Denatured alcohol
Breeder reactor
16. Having no definite crystalline structure
Amorphous
Ester
Activation energy
Electron
17. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction
Esterification
Electronegativity
Double displacement
Critical mass
18. Nuclear reactor in which more fissionable material is produced than is used up during operation
Catalyst
Alkyl
Alkali
Breeder reactor
19. Process for converting atmospheric nitrogen into compounds
Fixation of nitrogen
Atomic number
Catalyst
Cyclotron
20. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Atmosphere
Colligative propery
Bonding
Analysis
21. High=speed - negatively charged electrons emitted in radiations
Allotropic forms
Amino acid
Empirical formula
Beta particles
22. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4
Acid salt
Calorimeter
Condensation
Atmosphere
23. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Fission
Aromatic compound
Dehydrating agent
Chain reaction
24. Absorbtion by a substance of water from the air - so that the substance becomes wet
Flux
Fahrenheit scale
Deliquesence
Compound
25. The temperature above which no gas can be liquefied - regardless of the pressure applied
Flux
Critical temperature
Basic anhydride
Equilibrium
26. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Critical temperature
Chemical change
Deuterium
Electrolytic cell
27. Chemical reaction between an alcohol and an acid - in which an ester is formed
Crystalline
Esterification
Electron
Amorphous
28. 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
erg
Bond energy
Dehydrate
Fission
29. A change by which an element takes the place of another element in a compound
Displacement
Destructive distillation
Fahrenheit scale
Electrode potential
30. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Control rod
Destructive distillation
Critical temperature
distillation
31. A substance that speeds up or slows down a reaction without being permanently changed itself
Equation
Destructive distillation
Electroplating
Catalyst
32. The average mass of a number; bottom number on the element
Atomic mass
Catalyst
Analysis
Cyclotron
33. Temperature scale that has 32 as freezing point and 212 as boiling point
Atomic mass
Ester
Destructive distillation
Fahrenheit scale
34. Referring to any substance that has basic properties
Filteration
Amine
Allotropic forms
Alkaline
35. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Einstein equation
Buffer
Alkali
Dissociation (ionic)
36. A compound whose basic structure contains the benzene ring; it usually has an odor
Aromatic compound
Dehydrating agent
Esterification
Covalent bonding
37. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Deliquesence
Alkyl
Carbon dating
Boiling point
38. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
erg
Condensation
distillation
Emulsion
39. The rapid escape of excess gas that has been dissolved into a liquid
Dew point
Activation energy
Anhydrous
Effervescence
40. Streams of electrons given off by the cathode of a vacuum tube
adsorbtion
Cathode rays
Cyclotron
Dissociation (ionic)
41. An ion that has a positive charge
Carbon dating
Denatured alcohol
Cation
Dehydrate
42. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Electroplating
Deliquesence
Bond energy
Catalyst
43. The flow of a gas through a small aperture
Effusion
Base
Absolute temperature
Dehydrate
44. E=mc2 - relates mass to energy
Einstein equation
Fahrenheit scale
Emulsion
Fission
45. Chemical reaction that results in an absorption of heat
Alkali
Amorphous
Endothermic
Ester
46. The adhesion (in an extremely thing layer) of the molecules of gases - of dissolved substances - or of liquieds to the surfaces of solid or liquid bodies with which they come into contact
Ductile
adsorbtion
Displacement
Efflorescence
47. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Atomic radius
Cyclotron
Flux
Chemical property
48. Containing no water
Anhydrous
Crystallization
Critical temperature
Destructive distillation
49. The breaking down of a compound into two or more simpler substances
Dialysis
Analysis
Catalyst
Energy
50. Capable of being drawn into a thing wire
Equilibrium
Crystallization
Ductile
Atmosphere