Copernicium (Cn) — Element 112: Properties & Data | Aladdin Scientific
Copernicium(Cn) — Element 112
Copernicium (Cn) is a transition metal with atomic number 112 and atomic mass 286.179. It sits in group 12 and period 7 of the periodic table and was discovered in 1996.
Key facts
| Atomic mass | 286.1790 u |
|---|---|
| Electron configuration | [Rn]7s2 5f14 6d10 (predicted) |
| Oxidation states | 2, 1, 0 |
| Standard state | Solid (expected) |
| Year discovered | 1996 |
Frequently asked questions
What is the electron configuration of copernicium?
The ground-state electron configuration of copernicium is [Rn]7s2 5f14 6d10 (predicted).
What group and period is copernicium in?
Copernicium (Cn) is in group 12 and period 7 of the periodic table, classified as a transition metal.
What is the standard state of copernicium?
Copernicium is a solid (expected) at standard temperature and pressure.
When was copernicium discovered?
Copernicium was discovered in 1996.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .