Home
Class 12
PHYSICS
The number of electrons in the valence s...

The number of electrons in the valence shell of the semiconductors is:

A

6

B

5

C

4

D

3

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The number of electrons in the outermost shell in the atom of an inert element is

An element Y has three shells with four electrons in the valence shell. Another element X has twice as many electrons in its second shell as in its first shell. i] Identify the elements X and Y. ii] Is there any similarity between the element Y and X? If so, what?

In general the numebr of electrons in the outermost shell of a metal atom is

Assertion (A) : The electrical conductivity of a semiconductor increases with increase in temperature. Reason (R ) : With increase in temperature, large number of electrons from the valence band can jump to the conduction band.

The number density of free electrons in the semiconductor is 10^18 m^-3. It is doped with a pentavalent impurity atoms of number density 10^24 m^-3 . The number density of free electrons m^-3 increases by a factor of

Which element has: a] two shells, each completely filled with electrons? b] the electron configuration 2, 8, 2? c] three shells, with four electrons in the valence shell? d] two shells, with three electrons in its valence shell? e] twice as many electrons in its second shell as in its first shell?

Atoms of seven elements A, B, C, D, E, F, and Ghave different number of electron shells but have the same number of electrons in the outermost shells. How do the following properties vary as we move from A to G? (i) Metallic character (ii) Atomic radii (iii) Valency?