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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. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other
Fixation of nitrogen
Equilibrium
Emulsifying agent
Esterification
2. Breaking down of a compound into simpler substances or constituent elements
Displacement
Decomposition
Dehydrating agent
adsorbtion
3. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Anion
Beta particles
Brownian movement
Atomic number
4. The breaking down of a compound into two or more simpler substances
Amphoteric
Analysis
Density
Atomic mass
5. The process whereby gases or liquids intermingle freely of their own accord
Compound
Catalyst
Diffusion
Entropy
6. A bond between atoms involving two electron pairs - unsaturated
Double bond
Breeder reactor
Dry ice
Combustion
7. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution
Energy
Dry ice
Deuterium
Acidic anhydride
8. 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)
Amine
Dipole-dipole attraction
Anhydride
Denatured alcohol
9. 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
Colligative propery
Base
Critical mass
Dehydrate
10. The difference in potential between an electrode and the solution in which it is immpesed
Einstein equation
Electrode potential
Acid salt
Ether
11. A compound whose basic structure contains the benzene ring; it usually has an odor
Activated Charcoal
Analysis
Aromatic compound
Atomic number
12. An instrument used to measure the amount of heat liberated or absorbed during a change
Calorimeter
Boiling point
Amine
Ductile
13. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water
Absorption
Colloids
Einstein equation
Electrolysis
14. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Emulsifying agent
Activated Charcoal
Electrolyte
Bond energy
15. Capacity to do work
Energy
Bond energy
Catalyst
Atom
16. Forms of the same element that differ in their crystalline structures
adsorbtion
Allotropic forms
Absorption
Activation energy
17. 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
Dehydrate
Catalyst
chemistry
18. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Equilibrium
Double bond
Cation
Buffer
19. 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
chemistry
Electronegativity
Compound
Absorption
20. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Colligative propery
Energy
Flux
Acid
21. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups
Fallout
Anhydrous
Crystallization
Alcohol
22. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide
Alkali
Covalent bonding
Element
Chain reaction
23. Containing no water
Bonding
Cathode rays
Anhydrous
Esterification
24. A chemical action in which both heat and light are given off
Chemical change
Alloy
Combustion
Celsius scale
25. Referring to any substance that has basic properties
Alkaline
Cathode rays
Deliquesence
Electrode
26. Covalence in which both electrons in a pair come from the same atom
Coordinate covalence
Carbon dating
Compound
Alkaline
27. Separation of the ions of an ionic compound due to the action of a solvent
Double bond
distillation
Displacement
Dissociation (ionic)
28. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases
Dehydrate
Emulsifying agent
eudiometer
Destructive distillation
29. Process for converting atmospheric nitrogen into compounds
adsorbtion
Deuterium
Filteration
Fixation of nitrogen
30. Chemical reaction that results in the giving off of heat
Energy
Breeder reactor
Crystalline
Exothermic
31. A relatively weak force of attraction between polar molecules; a component of van der Waals forces
Atomic mass
Ester
Dipole-dipole attraction
Actinide series
32. The energy needed to break a chemical bond and form a neutral atom
Colloids
Bond energy
Crystallization
Bonding
33. Solid carbon dioxide
Deliquesence
Cathode rays
Dry ice
Calorie
34. 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
Acidic anhydride
Alcohol
Amino acid
Equilibrium
35. The smallest amount of fissionable material that will sustain a chain reaction
Dissociation (ionic)
Critical mass
Esterification
Colligative propery
36. Determines how a substance will behave in a chemical reaction
Anhydrous
Chemical change
Emulsifying agent
Chemical property
37. An ion that has a positive charge
Alloy
Atomic radius
eudiometer
Cation
38. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Acidic anhydride
Acid salt
Chemical property
Alkyl
39. The process of separation of a solution by diffusion through a semipermeable membrance
Catalyst
Dialysis
erg
Denatured alcohol
40. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
Coordinate covalence
Cyclotron
Element
Absorption
41. A cell in which electrolysis is carried out
Actinide series
Bonding
Brownian movement
Electrolytic cell
42. Temperature measured on the absolute scale - which has its origin at absolute zero
adsorbtion
Binary
Density
Absolute temperature
43. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Crystalline
Atmosphere
Allotropic forms
Buffer
44. E=mc2 - relates mass to energy
Alkyl
Fallout
Einstein equation
Anhydrous
45. 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
Barometer
Efflorescence
Bonding
Breeder reactor
46. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom
Atomic number
Dissociation (ionic)
Aldehyde
Bond energy
47. Negatively charged particle - Mass is 9.109x10(-28)
Electrode potential
Diffusion
Electron volt
Electron
48. A substance that speeds up or slows down a reaction without being permanently changed itself
Dehydrate
Catalyst
Calorimeter
Fahrenheit scale
49. A substance used to remove the excess chlorine in the bleaching process
Celsius scale
Colligative propery
Dew point
Antichlor
50. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction
Decomposition
Filteration
Electrolysis
Atom
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