Cn

Copernicium

Transactinide

Copernicium is a synthetic element named after Nicolaus Copernicus. It is predicted to be a noble gas-like element.

Key Facts

Atomic Number
112
Atomic Weight
285
State
Gas (predicted)
Half-life
29 seconds (Cn-285)
Discovered
1996
Sigurd Hofmann and colleagues

Overview

Description

Copernicium is a synthetic element named after Nicolaus Copernicus. It is predicted to be a noble gas-like element.

Discovery

Copernicium was discovered in 1996 by Sigurd Hofmann and colleagues.