Input interpretation
oganesson (chemical element)
Periodic table location
Periodic table location
Basic elemental properties
![atomic symbol | Og atomic number | 118 short electronic configuration | [Rn]7s^25f^146d^107p^6 Aufbau diagram | 7p 6d 5f 7s block | p group | 18 period | 7 atomic mass | 294 u (unified atomic mass units) (atomic mass number given for longest-lived known isotope) half-life | 5 ms (milliseconds)](../image_source/980316d71205069ebb83c3d225402eb1.png)
atomic symbol | Og atomic number | 118 short electronic configuration | [Rn]7s^25f^146d^107p^6 Aufbau diagram | 7p 6d 5f 7s block | p group | 18 period | 7 atomic mass | 294 u (unified atomic mass units) (atomic mass number given for longest-lived known isotope) half-life | 5 ms (milliseconds)
Atomic properties
term symbol | ^1S_0 (electronic ground state properties)
Abundances
solar abundance | 0 mass% meteorite abundance | 0 mass% crust abundance | 0 mass% ocean abundance | 0 mass% human abundance | 0 mass% solar molar abundance | 0 mol% meteorite molar abundance | 0 mol% ocean molar abundance | 0 mol% crust molar abundance | 0 mol% human molar abundance | 0 mol%
Nuclear properties
half-life | 5 ms lifetime | 7 ms (rank: 1st) specific radioactivity | 2.926×10^11 TBq/g decay mode | alpha emission nuclear spin | Og-293: 1/2^+ unstable isotopes | Og-293 (5 ms)
Identifiers
CAS number | 54144-19-3