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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. Positively charged helium nuclei
Combustion
Ester
Base
Alpha particles
2. Covalence in which both electrons in a pair come from the same atom
Amino acid
Alkyl
Coordinate covalence
Displacement
3. Having no definite crystalline structure
Combustion
Amorphous
Electron
Chemical property
4. A cell in which electrolysis is carried out
Cathode rays
Equilibrium
Density
Electrolytic cell
5. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
Decomposition
Atomic radius
Colligative propery
Efflorescence
6. An organic salt formed by the reaction of an alcohol with an acid
Critical temperature
Cathode rays
Denatured alcohol
Ester
7. A terminal of an electrolytic cell
Electrode
Basic anhydride
Denatured alcohol
Acid salt
8. Particles larger than those found in a solution but smaller than those in a suspension
Combustion
Ether
Anhydride
Colloids
9. 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
Anion
Electron volt
Carbon dating
Condensation
10. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
adsorbtion
Breeder reactor
Control rod
Amorphous
11. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Anion
Activated Charcoal
Alkyl
Dew point
12. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Flux
Alcohol
Dehydrating agent
erg
13. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other
Dry ice
Emulsifying agent
Dissociation (ionic)
Electrolyte
14. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Base
Electrolysis
Activated Charcoal
Dialysis
15. 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
adsorbtion
Bonding
Ductile
Endothermic
16. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
Anhydride
Barometer
Element
Electrolysis
17. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
Endothermic
Cathode
Amorphous
Actinide series
18. A. change from gas to liquid B. the combination of molecules without water
Anion
Amphoteric
Element
Condensation
19. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Entropy
Fahrenheit scale
Amphoteric
Cation
20. Shorthand method of showing the changes that take place in a chemical reaction
Electronegativity
Absolute temperature
Crystalline
Equation
21. The process of separation of a solution by diffusion through a semipermeable membrance
Alkyl
Celsius scale
Dialysis
Breeder reactor
22. The highest temperature at which water vapor condenses out of the air
Dew point
Alpha particles
Displacement
Energy
23. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
Critical mass
Dry ice
Alkyl
Calorie
24. Chemical reaction that results in an absorption of heat
Effervescence
Endothermic
Electroplating
Deliquesence
25. The process of separating the ions in a compound by means of electrically charged poles
Density
Electrolysis
Dry ice
Activation energy
26. The minimum energy necessary to start a reaction
Flux
Calorie
Activation energy
Chain reaction
27. 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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28. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Atom
Compound
Effervescence
Cathode
29. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
chemistry
Colloids
erg
Celsius scale
30. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Avagadro's number
Denatured alcohol
Fission
Deuterium
31. A relatively weak force of attraction between polar molecules; a component of van der Waals forces
Actinide series
Ester
Dipole-dipole attraction
Dialysis
32. High=speed - negatively charged electrons emitted in radiations
Beta particles
Exothermic
Equilibrium
Flux
33. A change by which an element takes the place of another element in a compound
Displacement
Combustion
Boiling point
Ester
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
Amino acid
Atomic mass
Crystalline
Amine
35. Organic compound containing the -O- group
Actinide series
Equation
Ether
Avagadro's number
36. Absorbtion by a substance of water from the air - so that the substance becomes wet
Brownian movement
Amphoteric
Deliquesence
Acidic anhydride
37. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Electrode potential
Equation
Electroplating
Destructive distillation
38. Temperature scale that has 32 as freezing point and 212 as boiling point
Fahrenheit scale
Element
Double displacement
Endothermic
39. The process whereby gases or liquids intermingle freely of their own accord
Beta particles
Diffusion
Allotropic forms
Atomic number
40. To take water from a substance
Dehydrate
Aromatic compound
Avagadro's number
Antichlor
41. 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
Bond energy
Bonding
Barometer
Acid
42. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution
Acidic anhydride
Covalent bonding
Filteration
Atomic mass
43. Temperature measured on the absolute scale - which has its origin at absolute zero
Displacement
Diffusion
Electron
Absolute temperature
44. Capable of being drawn into a thing wire
Ductile
Element
Amphoteric
Exothermic
45. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Amino acid
Effervescence
Electronegativity
Atmosphere
46. Nuclear reactor in which more fissionable material is produced than is used up during operation
Critical temperature
Breeder reactor
Carbon dating
Combustion
47. Streams of electrons given off by the cathode of a vacuum tube
Ductile
distillation
Critical mass
Cathode rays
48. 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)
Absorption
Amphoteric
Alcohol
Anhydride
49. A bond between atoms involving two electron pairs - unsaturated
Bonding
Equation
adsorbtion
Double bond
50. The rapid escape of excess gas that has been dissolved into a liquid
Amphoteric
Einstein equation
Effervescence
Cyclotron