← Agent Data Hub · Search endpoints · /llms.txt
Instant atomic, thermodynamic, and industrial supply-chain profile for Hydrogen (H, Atomic #1).
GET https://api.agentdatahub.de/api/v1/call/element-oracle-h-hydrogen?compact=1
Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"element-oracle-h-hydrogen"}
None.
{
"apiId": "element-oracle-h-hydrogen",
"data_freshness": "cached",
"data": {
"number": 1,
"symbol": "H",
"name": "Hydrogen",
"atomic_mass_u": 1.008,
"category": "diatomic nonmetal",
"phase_stp": "Gas",
"electronegativity_pauling": 2.2,
"density_g_cm3": 0.00008988,
"melting_point_k": 13.99,
"boiling_point_k": 20.271,
"electron_configuration": "1s1",
"key_industrial_use": "Green hydrogen fuel cells, ammonia synthesis (Haber-Bosch), rocket propulsion"
},
"source": "100% Platform Deterministic Compute / Reference Engine",
"license": "IUPAC Public Domain Reference Data"
}
| Source | 100% Platform Deterministic Compute / Reference Engine |
| License | IUPAC Public Domain Reference Data |
| Source URL | local://iupac-periodic-table |
| Terms | https://creativecommons.org/publicdomain/zero/1.0/ |
| Category | Knowledge, Research & News › 5. Scientific Reference, Periodic Table & Text/RAG Utilities |