Electron distribution, Physics

Assignment Help:

Electron distribution:

The atoms of a solid have electrons rotating in orbits around the positive nucleus. This is true of gases and liquids as well. These orbiting electrons exist in energy shells or levels.

The potential energy (energy of position) increases with distance out from the nucleus. The outermost occupied energy level is called the valence shell. This is a higher energy level than the energy levels of electrons in the other shells since the electrons are rotating further from the nucleus.

The electrons in the valence shell can most easily pass from one atom to another and thus constitute an electric current. Furthermore, the valence electrons are the ones that go into chemical reactions, or combinations, with other atoms.

When an outside influence such as an electric field or heat is applied, a valence electron may acquire sufficient energy to jump through a forbidden (energy) gap and on into the conductor band where it is free of any influence of the positive nucleus and becomes a carrier of electricity, ready to take the place of another electron that has just left its own atom, in the same manner.

769_Electron distribution.png


Related Discussions:- Electron distribution

What is defect, Defect: The image is formed behind the retina and lens ...

Defect: The image is formed behind the retina and lens becomes converging.

What is the mass of the steel bar, 99 ml of H 2 O is initially at room tem...

99 ml of H 2 O is initially at room temperature (20.0 o C). A chilled steel rod at 2.0 o C is placed in the water. If the final temperature of the system is 18.7 o C, what is th

.gravitation, iif radius shrinks by 20% then what will be the effect on gra...

iif radius shrinks by 20% then what will be the effect on gravitational acceleration

..youngs modulus of string, A string of cross section 2cm2 is doubled in le...

A string of cross section 2cm2 is doubled in length by the application of a longitudinal force 2*10 5 dynes. The youngs modulus is

Internal combustion engine, draw and explain the internal combustion engine...

draw and explain the internal combustion engine as it relates to carnot cycle and otto cycle

Find momentum if the resultant force acting on a body, If the resultant for...

If the resultant force acting on a body of constant mass is zero, the body's momentum is: a) Increasing b) Decreasing b) Always zero d) Constant Ans: If

Explain the principle of particle detection, Explain the principle of parti...

Explain the principle of particle detection. Draw log n -V graph showing different regions and discuss the significant physical processes taking place in these regions.

Explain magnetic bearing, Explain magnetic bearing The horizontal angle...

Explain magnetic bearing The horizontal angle among the line and magnetic meridian passing through one of the extremities of the line is known as magnetic bearing.

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