Copernicium (Cn) — Element Properties, Uses & Facts
Overview
Copernicium is a chemical element with symbol Cn and atomic number 112. It is an extremely radioactive synthetic element that can only be created in a laboratory. The most stable known isotope, copernicium-285, has a half-life of approximately 29 seconds, but it is possible that this copernicium isotope may have a nuclear isomer with a longer half-life, 8.9 min.
Electron configuration
The electron configuration of Copernicium is *[Rn] 5f14 6d10 7s2, with electron shells of 2, 8, 18, 32, 32, 18, 2.
Physical and chemical properties
Copernicium is classified as a transition metal. It has an atomic mass of 285 and exists as a liquid at standard conditions.
Real-world uses of Copernicium
As a transition metal, Copernicium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
Interesting facts about Copernicium
- Copernicium has the atomic number 112 and chemical symbol Cn.
- It belongs to period 7, group 12 of the periodic table.
- Copernicium was discovered by Gesellschaft für Schwerionenforschung.
Explore Copernicium interactively
Want to compare Copernicium with other elements or see it highlighted on the full table? Open the interactive periodic table and click on Cn to explore properties, trends, and neighboring elements. You can also test your knowledge with our periodic table quiz game.
What is Copernicium used for?
As a transition metal, Copernicium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
What is the atomic number of Copernicium?
The atomic number of Copernicium is 112, meaning it has 112 protons in its nucleus.
What is the electron configuration of Copernicium?
The electron configuration of Copernicium is *[Rn] 5f14 6d10 7s2.
Is Copernicium a metal, nonmetal, or metalloid?
Copernicium is classified as a transition metal.