Atoms and Electrons » Exercise - 278. In a conductor, the energy gap between valence and conduction bands is ........ (a) large (b) very large (c) very small (d) none of the above
Atoms and Electrons » Exercise - 277. In insulators, the energy gap between valence and conduction bands is ........ (a) very large (b) zero (c) very small (d) none of the above
Atoms and Electrons » Exercise - 269. In insulators, the energy gap between valence and conduction bands is ........ (a) very large (b) zero (c) very small (d) none of the above
Atoms and Electrons » Exercise - 272. The energy gap between valence and conduction bands in insulators is about ........ (a) 15 eV (b) 1.5 eV (c) zero (d) 0.5 eV
Atoms and Electrons » Exercise - 276. The electrons in the conduction band are known as ........ (a) bound electrons (b) valence electrons (c) free electrons (d) none of the above