Estimate the fraction of electrons excite above the Fermi level at room temperature (T=300K) for Sodium and copper? Given the Fermi energy (EF) for sodium and copper is 3.1eV and 7eV respectively.
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![Estimate the fraction of electrons excite above the Fermi level at room temperature (T=300K) for Sodium and copper? Given the Fermi
energy (EF) for sodium and copper is 3.1eV and 7eV respectively.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F39ef8cd7-235d-47ae-a98b-9d3d8d6c31ae%2F50fb5d32-3a7f-4ca4-9088-7fc9c32f3485%2Fusukc3_processed.jpeg&w=3840&q=75)
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