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2. Calculate the Fermi energy for the valence electrons in sodium metal given that the valency of sodiumis one, the density of sodium is 0-97 g cm3, the mass of the electron is 9-05 × 10- Planck's constant is 6-62 x 10-27 6-025 x 1023 per gramme molecule and the atomic weight of sodium metal is 23. (Ans: ef(0) = 3·12 eV, T ~ 37,000°K.) 28 g, erg sec, Avogadro's number is %3D 73

2. Calculate the Fermi energy for the valence electrons in sodium metal given that the valency of sodiumis one, the density of sodium is 0-97 g cm3, the mass of the electron is 9-05 × 10- Planck's constant is 6-62 x 10-27 6-025 x 1023 per gramme molecule and the atomic weight of sodium metal is 23. (Ans: ef(0) = 3·12 eV, T ~ 37,000°K.) 28 g, erg sec, Avogadro's number is %3D 73

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. Calculate the Fermi energy for the valence electrons in sodium metal given that the valency of sodiumis onę, the density of the mass of the electron is 9-05 x 10 sodium is 0-97 g cm - 3 - 28 g, Planck's constant is 6-62 x 10-27 erg sec, Avogadro's number is 6-025 x 1023 per gramme molecule and the atomic weight of sodium metal is 23. (Ans: er(0) = 3.12 eV, T ~ 37,000°K.) 73
Transcribed Image Text:2. Calculate the Fermi energy for the valence electrons in sodium metal given that the valency of sodiumis onę, the density of the mass of the electron is 9-05 x 10 sodium is 0-97 g cm - 3 - 28 g, Planck's constant is 6-62 x 10-27 erg sec, Avogadro's number is 6-025 x 1023 per gramme molecule and the atomic weight of sodium metal is 23. (Ans: er(0) = 3.12 eV, T ~ 37,000°K.) 73
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