CHEBI:30217 - helium atom

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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 Find compounds which contain this structure Find compounds which resemble this structure Take structure to the Advanced Search Formula He Net Charge 0 Average Mass 4.00260 Monoisotopic Mass 4.00260 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 Manual Xrefs 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