Sort by the band gap

Exercise and reference answers

Items

1. Category

   Metals

   Item

   Gap near zero

2. Category

   Metals

   Item

   Always conducts

3. Category

   Semicon

   Item

   Gap under 3 eV

4. Category

   Semicon

   Item

   Silicon 1.1 eV

5. Category

   Semicon

   Item

   Germanium 0.7 eV

6. Category

   Insulators

   Item

   Gap over 3 eV

7. Category

   Insulators

   Item

   Diamond 5.4 eV

Categories

1. Metals
2. Semicon
3. Insulators

Instructions

Send each description down the chute of the class of solid it fits.

Explanation