Question

the picture represents bands of MOs for Si. labels valence band, conduction band and band gap give a answer one or two sentences​

Answer 1

Answer:

The band gap in a conductor is Zero.

The band gap in semiconductor is nearly equal to 1eV

For example : For silicon, band gap is 1.11eV

Insulators generally have very large band gap and thus they do not allow the electrons to jump from valance band to conduction band.

The band gap in an insulator ≥5eV

For example : Diamond has a band gap of 5.5eV

Hence the above given material with band gap of 5.0eV must be an insulator.

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