O

Oganesson

Quick Reference
Formula / NotationOg
Molecular Weight294
CategoryElements

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

Term Oganesson
Formula Og
Molecular Weight 294
Category Elements

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.

More "O" Terms

View all "O" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z