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Test your basic knowledge |
SAT Subject Test: Chemistry Vocab
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Subjects
:
sat
,
science
,
chemistry
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Dissociation (ionic)
Amphoteric
Denatured alcohol
Colligative propery
2. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Combustion
Carbon dating
Colligative propery
Coordinate covalence
3. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Electrode
Atmosphere
Breeder reactor
Anhydride
4. Chemical reaction between an alcohol and an acid - in which an ester is formed
Calorie
Displacement
Destructive distillation
Esterification
5. The average mass of a number; bottom number on the element
Dry ice
Critical mass
Atomic mass
Alcohol
6. Process for converting atmospheric nitrogen into compounds
Fixation of nitrogen
Alcohol
Amphoteric
Diffusion
7. A metallic oxide that forms a base when placed in water
Basic anhydride
Exothermic
Buffer
Density
8. Covalence in which both electrons in a pair come from the same atom
Electrolysis
Emulsifying agent
Dehydrate
Coordinate covalence
9. The difference in potential between an electrode and the solution in which it is immpesed
Electron volt
Activated Charcoal
Electrode potential
Compound
10. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Emulsion
Cyclotron
Equation
Amino acid
11. Organic compound containing the -O- group
Ether
Anhydrous
Cathode
Electrode
12. Substance that takes water from another substance
Dehydrating agent
Alkaline
Colligative propery
Empirical formula
13. A property of a solution that depends primarily on the concentration - not the type of particles present
Dehydrating agent
Alkaline
Breeder reactor
Colligative propery
14. Solid carbon dioxide
Filteration
Ether
Dry ice
Dissociation (ionic)
15. To take water from a substance
Dehydrate
distillation
Combustion
Alcohol
16. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
Activation energy
Actinide series
Decomposition
Absolute temperature
17. 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
Control rod
Bonding
Acidic anhydride
erg
18. The measure of disorder in a system
Acid salt
Fixation of nitrogen
Dipole-dipole attraction
Entropy
19. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms
Activation energy
Cyclotron
distillation
Absolute temperature
20. Shorthand method of showing the changes that take place in a chemical reaction
Cyclotron
Critical temperature
Cation
Equation
21. The minimum energy necessary to start a reaction
Calorie
Energy
Alloy
Activation energy
22. High=speed - negatively charged electrons emitted in radiations
Electron volt
Deuterium
Beta particles
Electrolysis
23. Having no definite crystalline structure
Anhydride
Acidic anhydride
Control rod
Amorphous
24. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Celsius scale
Dehydrate
Electroplating
Dipole-dipole attraction
25. The process of separation of a solution by diffusion through a semipermeable membrance
Dialysis
Fission
Analysis
Control rod
26. Chemical reaction that results in the giving off of heat
Equilibrium
Dipole-dipole attraction
chemistry
Exothermic
27. Temperature scale that has 32 as freezing point and 212 as boiling point
adsorbtion
eudiometer
Fahrenheit scale
Bond energy
28. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Flux
Double bond
Amphoteric
Condensation
29. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Atomic mass
Activated Charcoal
Atomic radius
Brownian movement
30. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water
Chain reaction
Empirical formula
Absorption
Cation
31. 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
adsorbtion
Deuterium
Atomic mass
Electrolytic cell
32. 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
Electronegativity
Dehydrating agent
Electron volt
Denatured alcohol
33. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Buffer
Flux
Crystallization
Electroplating
34. A bond between atoms involving two electron pairs - unsaturated
Chemical change
Double bond
Colloids
Condensation
35. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Atom
Alloy
Dew point
Atomic radius
36. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Anhydride
erg
Base
Barometer
37. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom
Effervescence
Atomic number
Dew point
Dry ice
38. The energy needed to break a chemical bond and form a neutral atom
Bond energy
Equilibrium
Effusion
Dissociation (ionic)
39. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases
Exothermic
Barometer
Double bond
eudiometer
40. 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
Cathode
Entropy
Chemical property
41. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Displacement
Barometer
Equilibrium
Celsius scale
42. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
Cation
Dehydrate
Critical temperature
Efflorescence
43. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Element
Ester
Fission
Atom
44. The process of separating the ions in a compound by means of electrically charged poles
Endothermic
Electrolysis
Atmosphere
Flux
45. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Alloy
Alkyl
Breeder reactor
Electroplating
46. A. change from gas to liquid B. the combination of molecules without water
Filteration
Crystalline
Endothermic
Condensation
47. 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
Deliquesence
Boiling point
Filteration
Base
48. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4
Colligative propery
Acid salt
Exothermic
Acid
49. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Amino acid
Deuterium
Electron
Combustion
50. A substance used to remove the excess chlorine in the bleaching process
Empirical formula
Anhydrous
Acidic anhydride
Antichlor
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