| Term Name: | helium-4 atom |
|---|---|
| Synonyms: | (4)2He, (4)He, He, helium-4 |
| Definition: | The stable isotope of helium with relative atomic mass 4.002603. The most abundant (99.99 atom percent) isotope of naturally occurring helium. |
| Ontology: | ChEBI [CHEBI:30219] ( EBI ) |