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Hydrogen (1H) has three naturally occurring isotopes: 1H, 2H, and 3H. 1H and 2H are stable, while 3H has a half-life of 12.32 years. Heavier isotopes also exist; all are synthetic and have a half-life of less than 1 zeptosecond (10−21 s).
Standards, Hydrogen-2 (deuterium) & Hydrogen-3 (tritium)
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3h proton deuterium half-life neutrons 2h isotopes hydrogen tritium 1h da mass stable isotope decay 10 used atomic one years
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Isotopes of hydrogen | 1H | 99.9855% | 1.00 | infobox |
| Isotopes of hydrogen | 2H | 0.0115% | 1.00 | infobox |
| Isotopes of hydrogen | 3H | trace | 1.00 | infobox |
| Isotopes of hydrogen | Main isotopes | .mw-parser-output .isotopes-table{text-align:center;width:100%;border-collapse:collapse;margin:0;padding:0}.mw-parser-output .isotopes-table-headers>:not(:first-child){padding:0… | 1.00 | infobox |
| Isotopes of hydrogen | see also | Hydrogen | 0.60 | section |
| Isotopes of hydrogen | see also | Muonic | 0.60 | section |
| Isotopes of hydrogen | see also | Muonium | 0.60 | section |
| Isotopes of hydrogen | see also | Wiktionary-logo-en-v2 | 0.60 | section |
| Isotopes of hydrogen | see also | Media | 0.60 | section |
| Isotopes of hydrogen | see also | Isotopes | 0.60 | section |
| Isotopes of hydrogen | see also | Wikimedia Commons | 0.60 | section |
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