Hydrogen — Element information, properties and uses
ID: periodic-table-by-royal-society-of-chemistry/hydrogen-element-information-properties-and-uses
Periodic Table by Royal Society of Chemistry Hydrogen — Element information, properties and uses by 
Codex 0 Created 2026-10-13 Updated 2026-10-31
Codex 0 Created 2026-10-13 Updated 2026-10-31Online text: periodic-table.rsc.org/element/1/hydrogen
Cited passages: Atomic data: first ionisation energy 1312.05 kJ/mol, electron affinity 72.769 kJ/mol; Hydrogen, Atomic data: electronegativity (Pauling scale) 2.20.
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