antihydrogen

exotic atom made of an antiproton and positron
Class type of: atom, antiatom Q216121
antihydrogen
NSF · Public Domain · Wikimedia

Facts

13 properties
Subclass of
atom, antiatom[4][5]
Antiparticle
hydrogen[12]
Atomic number
-1[9]
Discoverer or inventor
CERN[2]
Electric charge
+0[13]
Electronegativity
+2.2[10]
Interaction
gravity[7]
Location of discovery
CERN[3]
Mass
+1.008[11]
On focus list of Wikimedia project
Wikipedia:Vital articles/Level/4[14]
Time of discovery or invention
1995[8]
🏷️ Also known as
en antihydrogen en anti-hydrogen ar نقيض الهيدروجين ar هيدروجين مضاد cs antivodík da Antibrint da Antihydrogen de Anti-Wasserstoff de Antiwasserstoff el Αντιυδρογόνο es antihidrogeno es antihidrógeno fa آنتی هیدروژن fa آنتی‌هیدروژن fa انتی‌هیدروژن fa انتی هیدروژن fa پادهیدروژن fi antivety fr antihydrogène he אנטי-מימן
🔖 Identifiers · 8
GND ID
4581430-2
OpenAlex ID
C11878816
Freebase ID
/m/0dpx9
Great Norwegian Encyclopedia ID
antihydrogen
JSTOR topic ID (archived)
antihydrogen
Lex ID
antibrint
Microsoft Academic ID (discontinued)
11878816
World of Physics ID
Antihydrogen

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Antiparticle 1
Discoverer or inventor 1
Interaction 1
Location of discovery 1
On focus list of Wikimedia project 1
Subclass of 1
← Antiparticle 1
← FactGrid item ID 1
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Summary

antihydrogen is a chemical anti-element[1].

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APA 4ort.xyz Knowledge Graph. (2026). antihydrogen. Retrieved November 11, 2026, from https://4ort.xyz/entity/antihydrogen
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BibTeX @misc{4ortxyz_antihydrogen_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{antihydrogen}}, year = {2026}, url = {https://4ort.xyz/entity/antihydrogen}, note = {Accessed: 2026-11-11}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23w ago · Volvox · 2026-05-29 view diff on Wikidata ↗
    Instance of → chemical anti-element
    Color → colorless
    Discoverer or inventor → CERN
    Interaction → gravity
    + 8 other properties edited (see Wikidata diff for full list)
    "Created claim: Subclass of: antimatter"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.