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CHEBI:30217 - helium atom

Default Structure
ChEBI IDCHEBI:30217
ChEBI Namehelium atom
Stars
Last Modified22 February 2017
SubmitterKirill Degtyarenko
DownloadsMolfile
FormulaHe
Net Charge0
Average Mass4.003
Monoisotopic Mass4.00260
SMILES[He]
InChIInChI=1S/He
InChIKeySWQJXJOGLNCZEY-UHFFFAOYSA-N
ChEBI Ontology
Outgoing Relation(s)
helium atom (CHEBI:30217) is a noble gas atom (CHEBI:33309)
helium atom (CHEBI:30217) is a s-block element atom (CHEBI:33559)
Incoming Relation(s)
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  Source
HeIUPAC
helioChEBI
HeliumChEBI
héliumChEBI
2HeIUPAC
Manual XrefsDatabases
4262DrugCentral
HeWebElements
Registry NumbersSources
Gmelin:16294Gmelin
CAS:7440-59-7NIST Chemistry WebBook