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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
helium atom +    
helium molecular entity +  
helium-3 atom 
helium-4 atom 
helium-6 atom 
helium-8 atom 
The radioactive isotope of helium with relative atomic mass 8.03392 and half-life of 119.0 ms.

Synonyms
Related Synonyms: (8)2He ;   (8)He ;   Formula=[8He] ;   InChI=1S/He/i1+4 ;   InChIKey=SWQJXJOGLNCZEY-RNFDNDRNSA-N ;   SMILES=[8He] ;   helium-8

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