There is currently only one astrononical definition for the tag 'fr'.

Tag: fr

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Labels

francium, Fr

Definition

francium (atomic number 87)

More general tags

fundamentalchemicalelement

Semantic Meaning of tag

URI: http://www.ivoa.net/Documents/PR/Semantics/Vocabularies-20080729/rdf/IVOAT#francium
Author: http://purl.org/net/who/djburke