112
Cn
Copernicium
285
2
8
18
32
32
18
2
8
18
32
32
18
2
| Property | Value |
|---|---|
| Atomic number | 112 |
| Atomic weight | 285 amu |
| Element family | Transition metals |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | None |
| Previous element | Roentgenium |
| Next element | Nihonium |
| Density | 14 g/cm3 (STP) |
| Discovery year | 1996 |
| Sample reactions |
|---|
| CN + MnO4 = CNO + MnO2 |
Copernicium is an element number 112 from transition metals family. Its symbol is Cn. Copernicium atomic weight is 285 amu. Cn has no stable or long lived isotopes. Copernicium electronic configuration is 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f146d107s2. Copernicium density is 14 g/cm3 (STP). Copernicium was discovered in 1996.
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