Metallic Bonding Quiz

25 July 2022
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question
The diagram is a representation of the electron sea model. Which statement best describes what is happening in this model?
answer
C. The electrons are moving easily between the nuclei of metal atoms.
question
Which of the following metal atoms would have the highest conductivity?
answer
D. The atom with the largest radius and the most valence electrons.
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Which statement is true when a crystal is formed from many metal atoms?
answer
B. There are many molecular orbitals.
question
Which property does a metal with a large number of free-flowing electrons most likely have?
answer
D. Good conductivity.
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Which is most likely the result of millions of metal atoms crowding together so that molecular orbitals become combined?
answer
B. The formation of bands in a crystal.
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What is another name for the molecular orbital theory of bonding in metals?
answer
A. Band theory.
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Which statement best describes the basis of the band theory of metallic bonding?
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C. Atomic orbitals overlap to form molecular orbitals in which the valence electrons of the atoms travel.
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Which element is likely to be the best conductor of electricity?
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A. Copper
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Which is the best metal to use in an alloy to increase its electrical conductivity?
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B. Cu
question
Which property is true for metals?
answer
C. Low ionization energies.
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Which property is better explained by the band theory than by the sea of electrons model?
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C. Luster
question
Which reason best explains why metals are ductile instead of brittle?
answer
B. Because they have flexible bonds.
question
In a piece of metal, what holds the atoms together?
answer
C. The positive charges of the nuclei and the negative charges of delocalized electrons.Fwhich
question
Which combination of factors is most suitable for increasing the electrical conductivity of metals?
answer
A. More valence electrons and larger atomic radius.
question
Which is a characteristic of the electron sea model for metallic bonding?
answer
B. Atomic nuclei are arranged in a regular pattern.