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.

Related Questions:

1. An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
2. ₆C¹⁴ absorbs an energitic neutron and emits beta particles. The resulting nucleus is
3. A car accelerates from rest at constant rate for first 10s and covers a distance x.
4. A ray of light passes from a medium A having refractive index 1.6 to the medium
5. A spherical shell of radius 10cm is carrying a charge q. If the electric potential

Topics: Electronic Devices (124)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends