Cn
Copernicium
Atomic number: 112Mass: 285 uCategory: Transition Metal
About Copernicium
Copernicium is named after astronomer Nicolaus Copernicus. It is a radioactive synthetic element. Theoretical calculations suggest it may be a gas at room temperature, unlike all other metals in its group.
Properties
Period
7
Group
12
Block
D
Category
Transition Metal
Electronegativity
N/A
Ionization Energy
Unknown
Melting Point
Unknown
Boiling Point
Unknown
Density
23.7 g/cm³
Oxidation States
+2
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p⁶ 5f¹⁴ 6d¹⁰ 7s²
[Rn] 5f¹⁴ 6d¹⁰ 7s²
Shell 1:2e⁻
Shell 2:8e⁻
Shell 3:18e⁻
Shell 4:32e⁻
Shell 5:32e⁻
Shell 6:18e⁻
Shell 7:2e⁻
Real-World Uses
Research only
Nuclear physics
No practical applications
Scientific studies
Fundamental science
Fun Fact
Copernicium might actually be a gas at room temperature — making it the only element in its column of the periodic table that isn't a solid metal!