Electronic Cloud Model

Year Model was Proposed: 1920's

Nickname for this model: Electron Cloud Model

Description of Model:

An atom consists of a dense nucleus composed of protons and neutrons surrounded by electrons that exist in different clouds at the various energy levels. Erwin Schrodinger and Werner Heisenburg developed probability functions to determine the regions or clouds in which electrons would most likely be found.

Picture or diagram of Model (Bonus include a video or link to a video):

external image atom2.jpg

How did this model build on the previous model?
The electron were already set with a set distance from the nucleus.

Websites / Sources Used: