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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. Temperature scale that has 32 as freezing point and 212 as boiling point
Efflorescence
Emulsifying agent
Electrode
Fahrenheit scale
2. The breaking down of a compound into two or more simpler substances
Atom
Carbon dating
Analysis
Brownian movement
3. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Electrolyte
Atom
Electrolysis
Cathode
4. Absorbtion by a substance of water from the air - so that the substance becomes wet
Electronegativity
Energy
Deliquesence
Dry ice
5. The energy needed to break a chemical bond and form a neutral atom
Bond energy
Beta particles
Covalent bonding
Deuterium
6. The minimum energy necessary to start a reaction
Alkaline
Activation energy
Coordinate covalence
Breeder reactor
7. The rapid escape of excess gas that has been dissolved into a liquid
Deliquesence
Effervescence
Ether
Alpha particles
8. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Electrode
Celsius scale
Barometer
Atomic radius
9. High=speed - negatively charged electrons emitted in radiations
Brownian movement
Beta particles
Double bond
Amine
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
Atmosphere
Emulsion
Effervescence
Efflorescence
11. A chance that alters the atomic structures of the substances involved and results in different properties
Chemical change
Anion
Enthalpy
Alpha particles
12. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Antichlor
Boiling point
Amine
Flux
13. A substance that speeds up or slows down a reaction without being permanently changed itself
Catalyst
Amine
Absorption
Dew point
14. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Carbon dating
Atmosphere
Ether
Atom
15. Shows only the simplest ratio of the number and kids of atoms
Fallout
Boiling point
Empirical formula
Catalyst
16. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom
Catalyst
Activated Charcoal
Cation
Atomic number
17. Referring to a compound composed of two elements such as water
Alpha particles
Double bond
Binary
Anion
18. A substance composed of elements chemically united in definite proportions by weight
Diffusion
Compound
Beta particles
Alcohol
19. A bond between atoms involving two electron pairs - unsaturated
Dew point
Double bond
Efflorescence
Energy
20. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms
Electrolyte
Cyclotron
Double bond
Atom
21. Determines how a substance will behave in a chemical reaction
Equilibrium
Chemical property
Empirical formula
Electronegativity
22. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Boiling point
Activated Charcoal
Anhydride
Dehydrating agent
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
adsorbtion
Electronegativity
Amphoteric
Calorie
24. A terminal of an electrolytic cell
Activated Charcoal
Electrolyte
Electrode
adsorbtion
25. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Ester
Covalent bonding
Double bond
Anion
26. Capacity to do work
Emulsion
Amphoteric
Energy
Einstein equation
27. Process for converting atmospheric nitrogen into compounds
Atom
Amino acid
Fixation of nitrogen
Exothermic
28. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Esterification
Combustion
Aldehyde
Coordinate covalence
29. Breaking down of a compound into simpler substances or constituent elements
Colloids
adsorbtion
Einstein equation
Decomposition
30. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Alloy
Coordinate covalence
Fission
Chemical property
31. 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
Atomic radius
Electronegativity
Equilibrium
Breeder reactor
32. A compound whose basic structure contains the benzene ring; it usually has an odor
Electrolyte
Aromatic compound
Electrode
Empirical formula
33. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth
Alpha particles
Fallout
Empirical formula
Amino acid
34. The process of separating the ions in a compound by means of electrically charged poles
Density
Dry ice
Electrolysis
Compound
35. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other
Combustion
Buffer
Emulsifying agent
Dehydrate
36. Substance that takes water from another substance
Deuterium
Avagadro's number
Fission
Dehydrating agent
37. Having no definite crystalline structure
Amorphous
Calorie
Calorimeter
Equation
38. Referring to any substance that has basic properties
Coordinate covalence
Dehydrating agent
Base
Alkaline
39. 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
Density
Breeder reactor
Electrode
40. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Amphoteric
Base
Fission
eudiometer
41. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Dew point
Flux
Emulsion
Fixation of nitrogen
42. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Absorption
Cation
Amorphous
Alkyl
43. 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
Absorption
Chain reaction
Acid salt
Base
44. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Fixation of nitrogen
Atmosphere
Decomposition
Celsius scale
45. Particles larger than those found in a solution but smaller than those in a suspension
Amine
Electroplating
Activation energy
Colloids
46. Chemical reaction between an alcohol and an acid - in which an ester is formed
Atom
Acidic anhydride
Esterification
Dry ice
47. 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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48. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Analysis
Alcohol
Fallout
Buffer
49. Positively charged helium nuclei
Alpha particles
Atom
Barometer
Ester
50. 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)
Alpha particles
Cathode
Anhydride
Critical mass