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هیدروژن-آلفا
EntityQ585943· pop 24· linked from 402 articles

هیدروژن-آلفا

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Also known as hydrogen alpha, Hα, Balmer alpha line, Balmer line, alpha line

thumb|In the Bohr model of the hydrogen atom, the electron transition from energy level n = 3 to n = 2 results in the emission of an H-alpha photon.

Wikidata facts

Instance of
spectral line
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Commons category
H-alpha
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