PubChem Element gives information on chemical elements like Hydrogen, with the local identifier corresponding to the atomic number.

Prefix
pubchem.element
Keywords
chemistry
Links
Homepage @pubchem
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in PubChem Element should match this regular expression:
^\d+$

Example Local Unique Identifier
1   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from PubChem Element should match this regular expression:
^pubchem\.element:\d+$

Example CURIE
pubchem.element:1
Contributors
Ontology

A summary of the relations in the Bioregistry schema can be found here.

Part Of (bfo:0000050 )
pubchem
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE pubchem.element:1 is used to demonstrate the provides available for this resource. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
PubChem Element pubchem.element https://pubchem.ncbi.nlm.nih.gov/element/1
Bioregistry bioregistry https://bioregistry.io/pubchem.element:1