Carbon,silicon and germanium have four valence electrons each. At room temperature

Carbon,silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?

Options

(a) The number of free electrons for conduction is significant only in Si and Ge but small in C
(b) The number of free conduction electrons is significant in C but small in Si and Ge
(c) The number of free conduction electrons is negligibly small in all the three
(d) The number of free electrons for conduction is significant in all the three.

Correct Answer:

The number of free electrons for conduction is significant only in Si and Ge but small in C

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. An object is placed at a distance of 10 cm from a co-axial combination of two lenses
  2. A uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
  3. In the middle of the depletion layer of a reverse-biased P-N junction, the
  4. A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
  5. A radiotransmitter radiates 1 kW power at a wavelength 198.6 m. How many photons