Oganesson (Og)

Oganesson is the heaviest known element, named after nuclear physicist Yuri Oganessian. It may behave very differently from other noble gases.

Calcium and californium nuclei spiralling together and fusing into oganesson, wrapped in a diffuse fog of electrons rather than neat rings, easily disturbed — Video: Calcium and californium nuclei spiralling together and fusing into oganesson, wrapped in a diffuse fog of electrons rather than neat rings, easily disturbed

Properties of Oganesson

Atomic number: 118
Category: Noble Gas
Atomic mass: 294 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Melting point: 325 K (51.85 °C)
Boiling point: 450 K (176.85 °C)
Density: 5 g/cm³
Appearance: Unknown, presumably a gas or solid
Discovered by: Joint Institute for Nuclear Research (2002)

Facts about Oganesson

Oganesson is the heaviest element ever created!
Oganesson is named after Yuri Oganessian, a living scientist — a very rare honor!
Scientists think oganesson might actually be a solid, unlike other noble gases!
Only five or six atoms of oganesson have ever been detected!

Oganesson videos

Calcium and californium nuclei spiralling together and fusing into oganesson, wrapped in a diffuse fog of electrons rather than neat rings, easily disturbed

Back to the periodic table · Oganesson on Wikipedia