When examining the electrical and thermal conductivity of a metal, you find that only the "conduction" electrons truly contribute to these conductivities. Choose the statement below that most specifically details the property of atomic electrons that allows them to become conduction electrons and to contribute to these conductivities
a.
Only those electrons close in energy to the Fermi energy will be able to be excited enough to contribute to the thermal and electrical conductivity. All other electrons are too strongly bound to have a significant probability of becoming excited enough to carry energy within the atom.
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