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The Fermi Level (Energy)of a Metal Is 5

Question 26

Multiple Choice

The Fermi level (energy) of a metal is 5.5 eV.What is the number of conduction electrons per unit volume for this metal? (mel = 9.11 × 10-31 kg,1 eV = 1.60 × 10-19 J, The Fermi level (energy) of a metal is 5.5 eV.What is the number of conduction electrons per unit volume for this metal? (m<sub>el</sub> = 9.11 × 10<sup>-31</sup> kg,1 eV = 1.60 × 10<sup>-19</sup> J, A) 5.8 × 10<sup>28 </sup>/ m<sup>3</sup> B) 6.2 × 10<sup>28 </sup>/ m<sup>3</sup> C) 4.1 × 10<sup>28 </sup>/ m<sup>3</sup> D) 8.4 × 10<sup>28 </sup>/ m<sup>3</sup> E) 3.3 × 10<sup>28 </sup>/ m<sup>3</sup>


A) 5.8 × 1028 / m3
B) 6.2 × 1028 / m3
C) 4.1 × 1028 / m3
D) 8.4 × 1028 / m3
E) 3.3 × 1028 / m3

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