Oganesson (Og) — Element 118

118 Og 294

Oganesson

Element 118 · 294 u · p-block

unknown

The heaviest known element. Named after Yuri Oganessian. May not behave as a noble gas due to relativistic effects.

Phase (STP)

Solid

Melting Point

—

Boiling Point

—

Density

5.0 g/cm³

Electronegativity

—

Atomic Radius

—

Ionization Energy

—

Electron Affinity

—

Discovered

2002 · Joint Institute for Nuclear Research

Electron Configuration

[Rn] 5f14 6d10 7s2 7p6