Unbinilium - 120Ubn: the essentials
- Name: unbinilium
- Symbol: Ubn
- Atomic number: 120
- Relative atomic mass (Ar): [ ?]
- Standard state: presumably a solid at 298 K
- Appearance: unknown, but probably metallic and silvery white or grey in appearance
- Classification: Metallic
- Group in periodic table: 2
- Group name: Alkaline earth metal
- Period in periodic table: 8
- Block in periodic table: s
- Shell structure: 2.8.18.32.32.18.8.2
- CAS Registry: 54143-58-7
Unbinilium atoms have 120 electrons and the shell structure is 2.8.18.32.32.18.8.2. The ground state electronic configuration of neutral unbinilium is [Og].8s2 (a guess based upon that of barium and radium) and the term symbol of unbinilium is 1S0.
Unbinilium: description
Element 120 (unbinilium, Ubn) at the time of writing has not been discovered.
Unbinilium: physical properties
Density of solid: 7000 (predicted, other prediction 5200) kg m-3
Molar volume: (no data) cm3
Thermal conductivity: (no data) W m‑1 K‑1
Unbinilium: heat properties
Melting point: (no data) K
Boiling point: (no data) K
Enthalpy of fusion: 20.5 kJ mol-1
Unbinilium: atom sizes
Atomic radius (empirical): (no data) pm
Molecular single bond covalent radius: (no data) ppm
van der Waals radius: (no data) ppm
Unbinilium: electronegativities
Pauling electronegativity: (no data) (Pauling units)
Allred Rochow electronegativity: (no data) (Pauling units)
Mulliken-Jaffe electronegativity: (no data)
Unbinilium: orbital properties
First ionisation energy: 579 kJ mol‑1
Second ionisation energy: (no data) kJ mol‑1
Third ionisation energy: (no data) kJ mol‑1
Unbinilium: abundances
Universe: (no data) ppb by weight
Crustal rocks: (no data) ppb by weight
Human: (no data) ppb by weight
Unbinilium: crystal structure
Unbinilium: biological data
- Human abundance by weight: (no data) ppb by weight
Since element 120 is unknown, it has no biological role.
Unbinilium: uses
Unbinilium: reactions
Reactions of unbinilium as the element with air, water, halogens, acids, and bases where known.
Unbinilium: binary compounds
Binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and other compounds of unbinilium where known.
Unbinilium: compound properties
Bond strengths; lattice energies of unbinilium halides, hydrides, oxides (where known); and reduction potentials where known.
Unbinilium: history
Unbinilium was discovered by (no claim for discovery made) in (no claim for discovery made) at (no claim for discovery made). Origin of name: temporary systematic IUPAC nomenclature.Unbinilium: isotopes
Unbinilium: isolation
Isolation: as this element is unknown it has never never been isolated.