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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.
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. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution
Dew point
Atomic radius
Absorption
Acidic anhydride
2. Science concerned with the compositions of substances and the changes that they undergo
chemistry
Activated Charcoal
Electroplating
Critical mass
3. 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
Endothermic
Celsius scale
Displacement
erg
4. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Condensation
Combustion
Antichlor
Barometer
5. Temperature scale that has 32 as freezing point and 212 as boiling point
Fallout
Fahrenheit scale
Acid
erg
6. An organic salt formed by the reaction of an alcohol with an acid
Electrolyte
Acid salt
Ether
Ester
7. A metallic oxide that forms a base when placed in water
Ester
Fallout
Basic anhydride
eudiometer
8. E=mc2 - relates mass to energy
Denatured alcohol
Alpha particles
Einstein equation
Destructive distillation
9. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Double bond
Control rod
Flux
Amine
10. Streams of electrons given off by the cathode of a vacuum tube
Chain reaction
Alcohol
Activation energy
Cathode rays
11. The process of separation of a solution by diffusion through a semipermeable membrance
Deuterium
Activation energy
Boiling point
Dialysis
12. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Exothermic
Efflorescence
Chemical change
distillation
13. Separation of the ions of an ionic compound due to the action of a solvent
Dissociation (ionic)
Denatured alcohol
erg
Anion
14. The process of forming definitely shaped crystals when water is evaporated from a solution of the substance
Crystallization
Electron volt
Effusion
Ether
15. To take water from a substance
Ductile
Dehydrate
Base
Entropy
16. Chemical reaction between an alcohol and an acid - in which an ester is formed
Esterification
Dissociation (ionic)
Ductile
Atomic number
17. Particles larger than those found in a solution but smaller than those in a suspension
Absolute temperature
Critical temperature
Dry ice
Colloids
18. The process whereby gases or liquids intermingle freely of their own accord
Atmosphere
Empirical formula
Endothermic
Diffusion
19. A liquid that will conduct and electric current
Electrolyte
Boiling point
Ether
Emulsifying agent
20. 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
Exothermic
Electronegativity
Efflorescence
Electrolytic cell
21. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water
Alcohol
Fixation of nitrogen
Electrode potential
Absorption
22. A substance composed of elements chemically united in definite proportions by weight
Effervescence
Compound
Critical temperature
Allotropic forms
23. A bond between atoms involving two electron pairs - unsaturated
Double bond
Einstein equation
Chemical property
Aromatic compound
24. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Enthalpy
Cyclotron
Electroplating
Alkaline
25. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)
Compound
Alkyl
Atomic number
Boiling point
26. Shorthand method of showing the changes that take place in a chemical reaction
Aldehyde
adsorbtion
Equation
Alcohol
27. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Deuterium
Activated Charcoal
distillation
Electroplating
28. The difference in potential between an electrode and the solution in which it is immpesed
Electrode potential
Filteration
Deuterium
chemistry
29. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Denatured alcohol
Anhydrous
Carbon dating
Cathode
30. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Brownian movement
Fission
Entropy
Aromatic compound
31. 1/2 the distance between adjacent nuclei in the crystalline or solid phase of an element; distance from the atomic nucleus to the valence electrons
Einstein equation
adsorbtion
Antichlor
Atomic radius
32. Temperature measured on the absolute scale - which has its origin at absolute zero
Aromatic compound
Ductile
Electrode
Absolute temperature
33. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Amine
Crystalline
Alkyl
Absolute temperature
34. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Acid
Anhydrous
Ductile
Boiling point
35. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Electronegativity
Displacement
Deuterium
Brownian movement
36. 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
Bonding
Chemical change
Destructive distillation
Compound
37. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Cathode
Atom
Dipole-dipole attraction
Deliquesence
38. 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)
eudiometer
Double displacement
Exothermic
Anhydride
39. A substance used to remove the excess chlorine in the bleaching process
Element
Antichlor
Critical temperature
Electroplating
40. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
adsorbtion
Element
Amorphous
Einstein equation
41. The measure of disorder in a system
Compound
Entropy
Anhydride
Aldehyde
42. 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
Diffusion
Acid
Crystallization
Avagadro's number
43. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Deuterium
Celsius scale
Boiling point
Equilibrium
44. Negatively charged particle - Mass is 9.109x10(-28)
Electron
Cyclotron
Fixation of nitrogen
Density
45. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Binary
Anion
Beta particles
Combustion
46. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
adsorbtion
Filteration
Critical mass
Atmosphere
47. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Buffer
Aldehyde
Aromatic compound
chemistry
48. A property of a solution that depends primarily on the concentration - not the type of particles present
Element
Colligative propery
Compound
erg
49. Forms of the same element that differ in their crystalline structures
Control rod
Allotropic forms
Chemical change
Alcohol
50. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Fahrenheit scale
Alloy
Basic anhydride
Boiling point
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