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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 
The stable isotope of helium with relative atomic mass 4.002603. The most abundant (99.99 atom percent) isotope of naturally occurring helium.
helium-6 atom 
helium-8 atom 

Synonyms
Related Synonyms: (4)2He;  (4)He;  helium-4
Xrefs: Gmelin:14207
chemrof_inchi: InChI=1S/He/i1+0
chemrof_inchikey: SWQJXJOGLNCZEY-IGMARMGPSA-N
chemrof_formula: [4He]
chemrof_smiles: [4He]

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