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(Q292)
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subclass of
chemical element
1 reference
knowledge source
The Geoscience Ontology reference
element symbol
Ac
1 reference
knowledge source
Mindat Chemical Element List
atomic number
89
1 reference
knowledge source
Mindat Chemical Element List
same as
https://www.mindat.org/element/Actinium
0 references
https://w3id.org/gso/element/actinium
0 references
http://www.wikidata.org/entity/Q1121
0 references