Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
Deuterium (hydrogen-2, symbol 2H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, 1H. The deuterium nucleus (deuteron) contains one proton and one neutron, whereas the far more common 1H has no neutrons.
History, Applications & Standards
Explore the main themes, entities and connections around Deuterium. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
hydrogen water heavy nuclear neutron energy also spin fusion proton state mass one used deuteron 2h isospin neutrons ratio protium
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Deuterium | Excess energy | 13135.720±0.001 keV | 1.00 | infobox |
| Deuterium | Half-life (t1/2) | stable | 1.00 | infobox |
| Deuterium | Isotope mass | 2.0141017778 Da | 1.00 | infobox |
| Deuterium | Names | Deuterium, hydrogen-2 | 1.00 | infobox |
| Deuterium | Natural abundance | 0.0156% (Earth) | 1.00 | infobox |
| Deuterium | Neutrons (N) | 1 | 1.00 | infobox |
| Deuterium | Nuclear binding energy | 2224.57±0.20 keV | 1.00 | infobox |
| Deuterium | Protons .mw-parser-output .nobold{font-weight:normal}(Z) | 1 | 1.00 | infobox |
| Deuterium | Spin | 1+ | 1.00 | infobox |
| Deuterium | Symbol | 2H | 1.00 | infobox |
| Deuterium | is a | superposition | 0.90 | text |
| Deuterium | is a | most common nuclide used in fusion reactor designs | 0.90 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.