" /> Helium - CISMeF





Preferred Label : Helium;

NCIt synonyms : He;

NCIt definition : A gaseous element with atomic symbol He, atomic number 2, and atomic weight 4.00.;

UNII : 206GF3GB41;

InChIKey : SWQJXJOGLNCZEY-UHFFFAOYSA-N;

CAS number : 7440-59-7;

Chemical formula : He;

ChEBI ID : CHEBI:33681; CHEBI:30220; CHEBI:30219; CHEBI:30218; CHEBI:30217; CHEBI:33315;

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09/05/2025


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