Helium
Electron energy levels
Depending on the spin orientation of the two electrons in the Helium atom, one speaks of parahelium for two anti-parallel spins (S=0) and of orthohelium for two parallel spins (S=1). For the orthohelium one of the electrons does not sit in the ground orbital (1s). http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/helium.html
Related Topics:
Parahelium - Orthohelium
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~ Table of Content ~
| ► | Introduction |
| ► | Notable characteristics |
| ► | Electron energy levels |
| ► | Applications |
| ► | History |
| ► | Occurrence |
| ► | Isotopes |
| ► | Vocal effect and health precautions |
| ► | References |
| ► | External links |
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