112
Cn
Copernicium
Copernicium
Copernicium (Cn)
Transition Metals · Expected to be a solid · Period 7 · Group 12
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Element Properties
- Atomic Number
- 112
- Symbol
- Cn
- Atomic Mass
- 286.179
- Category
- Transition Metals
- Standard State
- Expected to be a solid
- Period
- 7
- Group
- 12
- Electronegativity
- —
- Atomic Radius
- —
- Ionization Energy
- —
- Electron Affinity
- —
- Oxidation States
- 2, 1, 0
- Melting Point
- —
- Boiling Point
- —
- Density
- —
- Electron Configuration
- [Rn]7s2 5f14 6d10 (predicted)
- Year Discovered
- 1996
Frequently asked questions
What is the atomic number of Copernicium?
The atomic number of Copernicium is 112, which equals the number of protons in its nucleus.
What is the atomic mass of Copernicium?
The atomic mass of Copernicium is approximately 286.179 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Copernicium?
The electron configuration of Copernicium is [Rn]7s2 5f14 6d10 (predicted).
Where is Copernicium in the periodic table?
Copernicium is located in period 7, group 12.
When was Copernicium discovered?
Copernicium was discovered in 1996.