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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. 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
Cathode rays
Electrode
distillation
Bonding
2. Referring to any substance that has basic properties
Absorption
Crystalline
Aldehyde
Alkaline
3. The number of molecules in 1 gram-molecular volume of a substance - or the number of atoms in 1 gram-atomic mass of an element 6.02 x 10(-27)
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4. A metallic oxide that forms a base when placed in water
Density
Basic anhydride
Celsius scale
Atmosphere
5. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material
Filteration
Cation
Flux
Dissociation (ionic)
6. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Barometer
Buffer
Anion
Calorimeter
7. Negatively charged particle - Mass is 9.109x10(-28)
Amino acid
Compound
Double bond
Electron
8. An ion that has a positive charge
Cation
Basic anhydride
Celsius scale
Emulsion
9. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Displacement
Flux
Alkaline
Acid salt
10. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Atmosphere
Acidic anhydride
Anion
Amine
11. The mass per unit volume of a substance; mathematical formula D=m/V
Chain reaction
Basic anhydride
Alcohol
Density
12. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Carbon dating
Double displacement
adsorbtion
Amino acid
13. Separation of the ions of an ionic compound due to the action of a solvent
Dissociation (ionic)
Absolute temperature
Electrolysis
Cyclotron
14. A substance used to remove the excess chlorine in the bleaching process
Aldehyde
Antichlor
Dew point
Alkyl
15. Solid carbon dioxide
Dry ice
Fallout
Anion
Double bond
16. A substance that speeds up or slows down a reaction without being permanently changed itself
Cation
Catalyst
Alloy
Fallout
17. 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)
chemistry
Anhydride
Critical mass
Aromatic compound
18. Having no definite crystalline structure
Amorphous
Double bond
Acidic anhydride
Electron volt
19. The flow of a gas through a small aperture
Einstein equation
Effusion
Electroplating
Dipole-dipole attraction
20. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Base
Critical temperature
Control rod
Fixation of nitrogen
21. 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
Acid salt
Dipole-dipole attraction
Fixation of nitrogen
22. Organic compound containing the -O- group
Ether
Anhydrous
Alkaline
Cathode rays
23. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Calorimeter
Alcohol
Alloy
Effervescence
24. A property of a solution that depends primarily on the concentration - not the type of particles present
Equation
Chemical change
Fixation of nitrogen
Colligative propery
25. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth
Absorption
Cyclotron
Colligative propery
Fallout
26. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Chemical property
Amphoteric
Amorphous
Calorimeter
27. Streams of electrons given off by the cathode of a vacuum tube
Acidic anhydride
Cathode rays
Boiling point
Atmosphere
28. A change by which an element takes the place of another element in a compound
Aldehyde
Displacement
Amphoteric
Carbon dating
29. Temperature measured on the absolute scale - which has its origin at absolute zero
Destructive distillation
Anion
Density
Absolute temperature
30. 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
Atomic radius
adsorbtion
Acidic anhydride
Calorie
31. Temperature scale that has 32 as freezing point and 212 as boiling point
Dissociation (ionic)
Amphoteric
Fahrenheit scale
Emulsifying agent
32. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Boiling point
Fixation of nitrogen
Allotropic forms
Dew point
33. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Compound
Entropy
Aromatic compound
Covalent bonding
34. The temperature above which no gas can be liquefied - regardless of the pressure applied
Endothermic
Critical temperature
Celsius scale
Alkali
35. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Boiling point
Alloy
Amphoteric
Emulsion
36. Positively charged helium nuclei
Electrode potential
Alpha particles
Anion
Alkaline
37. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Alcohol
Flux
Anion
Cathode
38. A relatively weak force of attraction between polar molecules; a component of van der Waals forces
Beta particles
Dipole-dipole attraction
Coordinate covalence
Element
39. The rapid escape of excess gas that has been dissolved into a liquid
Barometer
Absolute temperature
Effervescence
eudiometer
40. Capable of being drawn into a thing wire
Ductile
Electrolyte
Density
Covalent bonding
41. The process of separation of a solution by diffusion through a semipermeable membrance
Electrolysis
Colloids
Critical mass
Dialysis
42. Science concerned with the compositions of substances and the changes that they undergo
Dew point
chemistry
Decomposition
Alkyl
43. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Equilibrium
Activated Charcoal
Fallout
Covalent bonding
44. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
adsorbtion
Calorimeter
Deuterium
Barometer
45. High=speed - negatively charged electrons emitted in radiations
Amino acid
Compound
Fixation of nitrogen
Beta particles
46. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide
Alkali
Alpha particles
Electroplating
Cyclotron
47. The energy needed to break a chemical bond and form a neutral atom
Bond energy
Filteration
Boiling point
Effusion
48. A water solution that has an excess of hydrogen ions; an acid turns litmus paper pink or red - has a sour taste - and neutralizes bases to form salts
Electron
Empirical formula
Alkali
Acid
49. 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
Decomposition
Chain reaction
Effusion
Flux
50. Chemical reaction that results in the giving off of heat
Exothermic
Binary
Double displacement
Fixation of nitrogen
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