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Test your basic knowledge |
GRE Chemistry Inorganic
Start Test
Study First
Subjects
:
gre
,
science
,
chemistry
Instructions:
Answer 26 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. Alkali metals
Forms ammonia from nitrogen
Recovered by electrolysis of molten salt
Determined by synthetic conditions
More soluble
2. Mass Number
Allows AC to be converted to DC
Z
Conductivity increases with T
A
3. Hapticity
Determined by thermodynamics (Increased entropy)
# of atoms of a ligand attached to a metal atom
Fe(II)
N=n; n+4; n+6
4. Ferrous
4/sqrt(3) * r
Electron holes are formed by promotion of valence band electrons to the acceptor band
Unfully occupied orbital - potentially overlapping
Fe(II)
5. L.fcc
Insulator which is doped with other elements
N=n; n+4; n+6
Involved in biological methyl transfer
4/sqrt(2) * r
6. Conduction band
Use low amount of current to regulate large amount
Unfully occupied orbital - potentially overlapping
4/sqrt(2) * r
(1.33x10^-13)* ³v(A)
7. Valence Band
Excess electrons form a donor band close in energy to the conduction band
Magnetic moment = v(n*(n+2))
Allows AC to be converted to DC
Contain freely moving electrons
8. Haber Process
Forms ammonia from nitrogen
An atom is missing from its usual site
Role of Lewis base in coordination chemistry
Determined by synthetic conditions
9. Closo-; nido-; arachno- boranes
N=n; n+4; n+6
Conductivity increases with T
Unfully occupied orbital - potentially overlapping
Allows AC to be converted to DC
10. Semiconductor
Magnetic moment = v(n*(n+2))
Conductivity increases with T
More soluble
Insulator which is doped with other elements
11. Intrinsic defect
Use low amount of current to regulate large amount
Recovered by electrolysis of molten salt
Excess electrons form a donor band close in energy to the conduction band
Determined by thermodynamics (Increased entropy)
12. Frenkel defect
Z
# of atoms of a ligand attached to a metal atom
Recovered by electrolysis of molten salt
An atom has been displaced to another site
13. n-type conductivity
Recovered by electrolysis of molten salt
4/sqrt(2) * r
Excess electrons form a donor band close in energy to the conduction band
(1.33x10^-13)* ³v(A)
14. p-n junction
Involved in biological methyl transfer
Role of Lewis base in coordination chemistry
Allows AC to be converted to DC
Determined by thermodynamics (Increased entropy)
15. L.bcc
Fe(II)
4/sqrt(3) * r
Insulator which is doped with other elements
(1.33x10^-13)* ³v(A)
16. Nuclear Radius
Excess electrons form a donor band close in energy to the conduction band
(1.33x10^-13)* ³v(A)
# of atoms of a ligand attached to a metal atom
Fe(II)
17. Schottky defect
4/sqrt(3) * r
An atom is missing from its usual site
Forms ammonia from nitrogen
Conductivity increases with T
18. p-type conductivity
Involved in biological methyl transfer
Electron holes are formed by promotion of valence band electrons to the acceptor band
# of atoms of a ligand attached to a metal atom
Unfully occupied orbital - potentially overlapping
19. Transistor
Use low amount of current to regulate large amount
A
Magnetic moment = v(n*(n+2))
An atom is missing from its usual site
20. Larger difference in atomic radii
Conductivity increases with T
(1.33x10^-13)* ³v(A)
More soluble
4/sqrt(3) * r
21. Ligand / chelator
A
Electron holes are formed by promotion of valence band electrons to the acceptor band
Role of Lewis base in coordination chemistry
Magnetic moment = v(n*(n+2))
22. Extrinsic defect
Fe(II)
Determined by synthetic conditions
4/sqrt(2) * r
More soluble
23. Cobalamin
Involved in biological methyl transfer
Contain freely moving electrons
Excess electrons form a donor band close in energy to the conduction band
Role of Lewis base in coordination chemistry
24. Extrinsic semiconductor
Determined by thermodynamics (Increased entropy)
4/sqrt(2) * r
Allows AC to be converted to DC
Insulator which is doped with other elements
25. Paramagnetism
Electron holes are formed by promotion of valence band electrons to the acceptor band
Insulator which is doped with other elements
Magnetic moment = v(n*(n+2))
Contain freely moving electrons
26. Atomic Number
Use low amount of current to regulate large amount
# of atoms of a ligand attached to a metal atom
Z
Excess electrons form a donor band close in energy to the conduction band