O
Oganesson
Og
Elements
AllChemicals — The Online Chemical Glossary | https://allchemicals.info/chemical/oganesson
Quick Reference
| Formula / Notation | Og |
|---|---|
| Molecular Weight | 294 |
| Category | Elements |
What is Oganesson?
Oganesson is a synthetic radioactive element and the heaviest known element, named after physicist Yuri Oganessian. First synthesised in 2002 at Dubna. Despite being in the noble gas group, relativistic effects may make it chemically reactive.
Formula & Notation
Og
Properties & Characteristics
Appearance: unknown (predicted to be solid at room temperature despite being in noble gas group). Density: ~4.95 g/cm³ (estimated). May not be a true noble gas.
Uses & Applications
No practical applications. Research only.
Safety Information
Highly radioactive. Research hazard only.
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Oganesson is a synthetic radioactive element and the heaviest known element, named after physicist Yuri Oganessian. First synthesised in 2002 at Dubna. Despite being in the noble gas group, relativistic effects may make it chemically reactive.
No practical applications. Research only.
Highly radioactive. Research hazard only.
The formula or notation for Oganesson is: Og
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Octane Number
Octanoic acid
C8H16O2
Octet Rule
Octet Rule
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Omeprazole
C17H19N3O3S
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Editorial standards: Chemical data is sourced from peer-reviewed literature,
CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA,
and IAEA. For educational purposes only — always consult official SDS documentation and qualified
professionals before handling chemicals.