CHEBI:30217 - helium atom

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name helium atom
ChEBI ID CHEBI:30217
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Formula He
Net Charge 0
Average Mass 4.00260
Monoisotopic Mass 4.003
InChI InChI=1S/He
InChIKey SWQJXJOGLNCZEY-UHFFFAOYSA-N
SMILES [He]
ChEBI Ontology
Outgoing helium atom (CHEBI:30217) is a noble gas atom (CHEBI:33309)
helium atom (CHEBI:30217) is a s-block element atom (CHEBI:33559)
Incoming helium molecular entity (CHEBI:33679) has part helium atom (CHEBI:30217)
helium-3 atom (CHEBI:30218) is a helium atom (CHEBI:30217)
helium-4 atom (CHEBI:30219) is a helium atom (CHEBI:30217)
helium-6 atom (CHEBI:37003) is a helium atom (CHEBI:30217)
helium-8 atom (CHEBI:37004) is a helium atom (CHEBI:30217)
IUPAC Name
helium
Synonyms Sources
2He IUPAC
He IUPAC
helio ChEBI
Helium ChEBI
hélium ChEBI
Database Links Databases
4262 DrugCentral
He WebElements
View more database links
Registry Numbers Types Sources
16294 Gmelin Registry Number Gmelin
7440-59-7 CAS Registry Number NIST Chemistry WebBook
Last Modified
22 February 2017