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

Acidic nature of monocarboxylic acids, Acidic nature of monocarboxylic acid...

Acidic nature of monocarboxylic acids (1) Cause of acidic nature (a) A atom of carboxylic acid may be illustrated as a resonance hybrid of the following structures.

Idoform, preparation of idoform

preparation of idoform

What are numerous products and application of mica, What are numerous produ...

What are numerous products and application of mica? Applications and products of mica: (i)  Sheet mica: Mainly used in electrical equipment and applications in form of w

Why a covalent bond is directional, Why a covalent bond is directional?  ...

Why a covalent bond is directional?  Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of

Caulometry and electrogravime, Askccomparison between caulometry and electr...

Askccomparison between caulometry and electrogravimetry question #Minimum 100 words accepted#

Explain fischer projection, A monosaccharide A has a molecular weight of 15...

A monosaccharide A has a molecular weight of 150 Da. The two stereoisomers B and C that are both optically inactive form when A reacts with NaBH 4 .  Illustrate the structures o

Technique error affect the reported activation energy, 1. The temperature o...

1. The temperature of the warm water bath is recorded too high. How will this technique error affect the reported activation energy for the reaction - too high or too low? explain

Sequence of amino acids histidine-glutamine-lysine in buffer, In lab, you'r...

In lab, you're having fun along with buffers based onto a 0.1 M solution of sodium phosphate at pH7.0.  Into this system, there are three of pK A s as:  12.7, 7.21 and 2.12.

Michelle, What volumne of 10.83 M HNO3 is required to prepare 683 mL of a 1...

What volumne of 10.83 M HNO3 is required to prepare 683 mL of a 1.9 M HNO3 solution? Answer in units of mL

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