Copernicium (Cn): Properties, Uses and Facts in 3D

Copernicium is element 112 on the periodic table, a transition metal. At room temperature it is expected to be a liquid (too few atoms have ever been made to check). Open it in the 3D Periodic Table to spin its tile, see its electron shells and read its story.

Copernicium (Cn) shown in the VisionVix 3D Periodic TableExplore in 3D
Copernicium in the VisionVix 3D Periodic Table. Click the picture to open it live.

Copernicium quick facts

Atomic number112
SymbolCn
Atomic mass285
CategoryTransition Metal
Group and periodGroup 12, period 7
Blockd-block
State at room temperatureLiquid (expected)
Electron configuration[Rn] 5f¹⁴ 6d¹⁰ 7s²
Electrons per shell2, 8, 18, 32, 32, 18, 2
Discovered1996, Hofmann

What is copernicium used for?

  • Scientific research only
  • No practical applications
  • Nuclear physics

Interesting facts about copernicium

  • Named after Nicolaus Copernicus. Who proposed heliocentrism
  • The latest calculations predict copernicium is a liquid at room temperature, possibly the most volatile metal
  • Half-life: ~30 seconds for most stable isotope

Copernicium was discovered in 1996 by Hofmann in Germany.

Where copernicium sits on the periodic table

Copernicium is in group 12, period 7. Tap any element to open its page.

Previous element111. RoentgeniumNext element113. Nihonium

Other transition metals

Copernicium questions

What is the atomic number of copernicium?

Copernicium has atomic number 112, so every copernicium atom has 112 protons in its nucleus. Its symbol is Cn and its atomic mass is 285.

Is copernicium a metal?

Copernicium is a metal. On the periodic table it is grouped as a transition metal, found in group 12, period 7.

What is the electron configuration of copernicium?

The electron configuration of copernicium is [Rn] 5f¹⁴ 6d¹⁰ 7s². Its electrons sit in 7 shells: 2, 8, 18, 32, 32, 18, 2.

What is copernicium used for?

Copernicium is used for scientific research only, no practical applications and nuclear physics.

Who discovered copernicium?

Copernicium was discovered in 1996 by Hofmann in Germany.

The 3D Periodic Table is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up.