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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. The rapid escape of excess gas that has been dissolved into a liquid
Endothermic
Analysis
Effervescence
distillation
2. Solid carbon dioxide
Empirical formula
Dry ice
Activated Charcoal
Double displacement
3. A substance used to remove the excess chlorine in the bleaching process
Antichlor
Equation
Barometer
Density
4. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Alpha particles
Density
Covalent bonding
Base
5. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups
Buffer
Dipole-dipole attraction
Alcohol
Crystallization
6. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Displacement
Dew point
Control rod
Atmosphere
7. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Endothermic
Amphoteric
Anion
Buffer
8. The flow of a gas through a small aperture
Effusion
Beta particles
eudiometer
Exothermic
9. The measure of disorder in a system
Electron
Entropy
Fahrenheit scale
Boiling point
10. 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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11. 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
Basic anhydride
Efflorescence
Aromatic compound
12. 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
Efflorescence
Alpha particles
Electron volt
Cation
13. Temperature measured on the absolute scale - which has its origin at absolute zero
Atomic number
Electronegativity
Absolute temperature
Combustion
14. Particles larger than those found in a solution but smaller than those in a suspension
Amino acid
Alcohol
Colloids
Carbon dating
15. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Double bond
distillation
Filteration
Deuterium
16. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
Calorie
Calorimeter
Electrolysis
Ductile
17. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Anion
Electronegativity
Double displacement
Diffusion
18. Referring to any substance that has basic properties
Alkaline
Anhydrous
Alkali
Calorie
19. The difference in potential between an electrode and the solution in which it is immpesed
Electrode potential
Alpha particles
Allotropic forms
Activation energy
20. Containing no water
Anhydrous
Buffer
Fahrenheit scale
Denatured alcohol
21. 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
Amino acid
Emulsifying agent
22. A chance that alters the atomic structures of the substances involved and results in different properties
eudiometer
Alkaline
adsorbtion
Chemical change
23. A. change from gas to liquid B. the combination of molecules without water
Condensation
Combustion
Dissociation (ionic)
Electrolytic cell
24. The process whereby gases or liquids intermingle freely of their own accord
Absorption
Destructive distillation
Diffusion
Carbon dating
25. Having no definite crystalline structure
Amino acid
Amorphous
Filteration
Ether
26. 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
Crystallization
Entropy
Chain reaction
27. A reaction in which two chemical substances exchange ions with the formation of two new compounds
Double displacement
Aldehyde
Celsius scale
Cathode
28. The process of separating the ions in a compound by means of electrically charged poles
Brownian movement
Electrolysis
Alcohol
Dry ice
29. A change by which an element takes the place of another element in a compound
Entropy
Alpha particles
Displacement
Filteration
30. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Denatured alcohol
Atomic number
Amphoteric
Effusion
31. Covalence in which both electrons in a pair come from the same atom
Coordinate covalence
Control rod
Activated Charcoal
Amine
32. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Electron
Compound
Carbon dating
Acid salt
33. High=speed - negatively charged electrons emitted in radiations
Double bond
chemistry
Beta particles
Enthalpy
34. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
chemistry
Aromatic compound
Actinide series
Basic anhydride
35. The highest temperature at which water vapor condenses out of the air
Critical mass
Celsius scale
Dew point
Fixation of nitrogen
36. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Allotropic forms
Brownian movement
Exothermic
Flux
37. 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
Cathode
Equation
Acid
Density
38. An instrument used to measure the amount of heat liberated or absorbed during a change
Fallout
Breeder reactor
Calorimeter
Enthalpy
39. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Electrode
Anhydrous
Electroplating
Dew point
40. The average mass of a number; bottom number on the element
Atomic mass
Dialysis
Destructive distillation
Analysis
41. 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
Double bond
Decomposition
Fahrenheit scale
Electronegativity
42. Forms of the same element that differ in their crystalline structures
Ester
distillation
Amine
Allotropic forms
43. The smallest amount of fissionable material that will sustain a chain reaction
Electrolyte
Double displacement
Empirical formula
Critical mass
44. A substance composed of elements chemically united in definite proportions by weight
Catalyst
Dew point
Atmosphere
Compound
45. Breaking down of a compound into simpler substances or constituent elements
Condensation
eudiometer
Activated Charcoal
Decomposition
46. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases
Fixation of nitrogen
Electronegativity
eudiometer
Control rod
47. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Acid
Brownian movement
Equilibrium
Esterification
48. The energy needed to break a chemical bond and form a neutral atom
Bond energy
Brownian movement
Deuterium
Binary
49. Chemical reaction that results in the giving off of heat
Endothermic
Acid salt
Chemical property
Exothermic
50. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
Efflorescence
Element
Colloids
Decomposition