Electron Cloud Model
Electron cloud model
Austrian physicist Erwin Schrödinger (1887-1961) developed an “Electron Cloud Model” in 1926. It consisted of a dense nucleus surrounded by a cloud of electrons at various levels in orbitals. Schrödinger and Werner Heisenburg (1901-1976) mathematically determined regions in which electrons would be most likely found.
Why is it called electron cloud model?
The modern model is also commonly called the electron cloud model. That's because each orbital around the nucleus of the atom resembles a fuzzy cloud around the nucleus, like the ones shown in the Figure below for a helium atom.
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