Explain bonding and anti-bonding orbital, Chemistry

Assignment Help:

4. (a) Explain the concept of (i) intrinsic, (ii) n-type, and (iii) p-type semiconductors with the aid of bond diagrams and band diagrams.

(b) What is a hole? Using a mathematical derivation to show that the holes behave like positive charges.

(c) Explain with the aid of Fermi-Dirac distribution function that at 0° K, all the energy states in the valence band of silicon are filled and all the energy states in the conduction band are empty.

(d) Why it is necessary to use effective mass instead of real mass for electrons in the analysis of semiconductor materials and mention why different effective masses are to be used for different types of semiconductors,

(e) Explain (a) bonding orbital and (b) anti-bonding orbital.


Related Discussions:- Explain bonding and anti-bonding orbital

Entropy, definition for entropy?

definition for entropy?

Describe water and heavy water, Q. Describe Water and Heavy Water? Wate...

Q. Describe Water and Heavy Water? Water, H 2 O, the simple hydride of oxygen is a unique compound. It has extraordinarily high melting and boiling points compared to the other

Disperse dyes - classification of dyes, Disperse dyes: These dyes are u...

Disperse dyes: These dyes are utilized to colour synthetic fabrics for example orlon, polyesters, nylon and cellulose acetate that comprise tightly bounded structures. The dyes

Calculation of the wind energy resource at a site, The Vermont Wind Assessm...

The Vermont Wind Assessment Program led by Vermont Tech has measured the wind velocity at 25 locations in the state of Vermont in 2005 and 2006 . The results are provided in the

Electrolysis of water in the presence of an indicator., Electrolysis of Wat...

Electrolysis of Water in the Presence of an Indicator • Place ~ 50 mL of the thawed cabbage juice in the same glass container (after rinsing) used in Step 1. • Insert the electro

Blow moulding and thermoforming extensively, write on blow moulding and the...

write on blow moulding and thermoforming extensively. 3 pages

Replacement of metals from salts, Q. How to Replace Metals from their Salts...

Q. How to Replace Metals from their Salts: Ans. If zinc is added to a solution of copper (II) sulfate, it dissolves. A reddish-brown deposit of metallic copper appears,

Atomic structure, How to find the atomic structure of H

How to find the atomic structure of H

Electrochemical thermodynamics, ELECTROCHEMICAL  THERMODYNAMICS Nota...

ELECTROCHEMICAL  THERMODYNAMICS Notation: To avoid repetitive drawing of complicated cells diagram, a common notation has been adopted for cells. All electrical contacts

Explain electron affinity, Electron affinity : In a system of a neutral at...

Electron affinity : In a system of a neutral atom and an extra electron, when the additional electron is attracted from the infinity to the outer orbit of the neutral atom, the wo

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd