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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. The breaking down of a compound into two or more simpler substances
Electronegativity
Activation energy
Analysis
Entropy
2. 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
Electrode potential
Base
Ether
Compound
3. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Alloy
Ether
Atmosphere
Covalent bonding
4. The smallest particle of an element that retains the properties of that element and can enter into a chemical reaction
Atom
Combustion
Equation
Anhydrous
5. Covalence in which both electrons in a pair come from the same atom
Aldehyde
Element
Electroplating
Coordinate covalence
6. A reaction in which two chemical substances exchange ions with the formation of two new compounds
Crystallization
Double displacement
Empirical formula
Acidic anhydride
7. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide
Acid salt
Alkali
Chain reaction
Emulsion
8. An ion that has a positive charge
Colligative propery
Cation
erg
Fission
9. 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
Amorphous
Electronegativity
Emulsifying agent
Carbon dating
10. A terminal of an electrolytic cell
Binary
Combustion
Deuterium
Electrode
11. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Amphoteric
Electrolytic cell
Esterification
Atmosphere
12. Shorthand method of showing the changes that take place in a chemical reaction
Filteration
Beta particles
Equation
Emulsifying agent
13. 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)
Anhydride
Emulsifying agent
Beta particles
Covalent bonding
14. Substance that takes water from another substance
Acid
Dehydrating agent
Allotropic forms
Bonding
15. 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
Atmosphere
Alcohol
Electronegativity
Electron volt
16. A chemical action in which both heat and light are given off
Cyclotron
Fixation of nitrogen
Amine
Combustion
17. The process of separation of a solution by diffusion through a semipermeable membrance
distillation
Beta particles
Anhydride
Dialysis
18. The highest temperature at which water vapor condenses out of the air
Deliquesence
Covalent bonding
Dew point
Dipole-dipole attraction
19. Nuclear reactor in which more fissionable material is produced than is used up during operation
erg
Breeder reactor
Basic anhydride
Emulsion
20. 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
Control rod
Displacement
Amphoteric
21. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Anion
Double bond
Equation
Deuterium
22. A liquid that will conduct and electric current
Activation energy
Boiling point
Anhydride
Electrolyte
23. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Avagadro's number
eudiometer
Emulsion
Einstein equation
24. Heat content of a chemical system
Entropy
Barometer
Enthalpy
Filteration
25. Referring to any substance that has basic properties
Dialysis
Alkaline
Equation
Amino acid
26. To take water from a substance
Deuterium
Absorption
Dehydrate
Atomic radius
27. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Brownian movement
Alkyl
Basic anhydride
Amine
28. Chemical reaction between an alcohol and an acid - in which an ester is formed
Electrode potential
Exothermic
Energy
Esterification
29. 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
Covalent bonding
Electronegativity
Atomic radius
Esterification
30. A chance that alters the atomic structures of the substances involved and results in different properties
Chemical change
Cathode rays
Binary
Filteration
31. The process whereby gases or liquids intermingle freely of their own accord
Diffusion
Electrolysis
Catalyst
Amine
32. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Effusion
Destructive distillation
Displacement
Dew point
33. Determines how a substance will behave in a chemical reaction
Colloids
Diffusion
Chemical property
Effusion
34. 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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35. An instrument used to measure the amount of heat liberated or absorbed during a change
Amorphous
Flux
Calorimeter
Coordinate covalence
36. Chemical reaction that results in an absorption of heat
Endothermic
Emulsion
Alkyl
Equilibrium
37. A. change from gas to liquid B. the combination of molecules without water
Cyclotron
Condensation
Effusion
Barometer
38. Organic compound containing the -O- group
Chemical change
Chemical property
Ether
chemistry
39. E=mc2 - relates mass to energy
Alloy
Einstein equation
Calorie
Anhydrous
40. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
Equation
Alcohol
Element
Effusion
41. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Carbon dating
Actinide series
Double bond
Esterification
42. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Absorption
Fission
Electrode potential
Fahrenheit scale
43. Containing no water
Beta particles
Electrolytic cell
Cathode rays
Anhydrous
44. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Electrode
Electroplating
Deliquesence
Acid
45. A substance composed of elements chemically united in definite proportions by weight
Electrode
Double displacement
Compound
Alpha particles
46. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Colloids
Combustion
Anion
Electrolytic cell
47. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Control rod
Filteration
Dehydrating agent
Dipole-dipole attraction
48. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Beta particles
Alkali
Boiling point
Calorimeter
49. The difference in potential between an electrode and the solution in which it is immpesed
Colloids
Double displacement
Electrode potential
Critical mass
50. A metallic oxide that forms a base when placed in water
Basic anhydride
Bond energy
Alcohol
Allotropic forms
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