Uuo
Ununoctium
UNUNOCTIUM
NOBLE GAS
| Atomic number: | 118 |
| Group numbers: | 18 |
| Period: | 7 |
| Electronic configuration: | [Rn] 5f14 6d10 7s2 7p6 |
| Formal oxidation number: | |
| Electronegativities: | - |
| Atomic radius / pm: | - |
| Relative atomic mass: | - |
The name ununoctium is a systematic element name for the element 118, used as a placeholder until the discovery is acknowledged by the IUPAC. (See: Naming of elements of atomic numbers greater than 100)
| Density / g dm-3: | - | |
| Molar volume / cm3mol-1: | - | |
| Electrical resistivity / µΩcm: | - | (20 °C) |
| Thermal conductivity / W m-1K-1: | - |
| Melting point / °C: | - |
| Boiling point / °C: | - |
| Heat of fusion / kJ mol-1: | - |
| Heat of vaporization / kJ mol-1: | - |
| Heat of atomization / kJ mol-1: | - |
| First ionization energy / kJ mol-1: | - |
| Second ionization energy / kJ mol-1: | - |
| Third ionization energy / kJ mol-1: | - |
| in the atmosphere / ppm: | - |
| in the Earth's crust / ppm: | - |
| in the oceans / ppm: | - |
| Crystal structure: | unknown structure |
| Unit-cell dimensions / pm: | - |
| Space group: | - |
| Isotope | Relative atomic mass | Mass percent (%) |
|---|---|---|
| 294Uuo | 294.214(5) | * |
| Balanced half-reaction | Eo / V | |
|---|---|---|
| 117 Ununseptium | ← | 118 Ununoctium | → | PTE |
Citing this page:
Generalic, Eni. "Ununoctium." EniG. Periodic Table of the Elements. KTF-Split, 17 Sep. 2016. Web. {Date of access}. <http://www.periodni.com/uuo.html>.
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