Oganesson (Og) - Element 118 | Properties & Electron Configuration
What is Oganesson?
Oganesson (Og) is element 118, a noble gas in period 7, group 18. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁶.
| Atomic Number | 118 |
| Symbol | Og |
| Atomic Mass | 294 u |
| Category | Noble Gas |
| Period | 7 |
| Group | 18 |
| Block | p |
| Electron Configuration | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁶ |
| Short Config | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶ |
| Electronegativity | N/A |
| Atomic Radius | N/A |
| Ionization Energy | N/A |
| Electron Affinity | N/A |
| Phase (STP) | Gas |
Electron Configuration
The full electron configuration of Oganesson is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁶. In noble gas shorthand, this is written as [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶.
Oganesson is a p-block element in group 18, period 7.
Periodic Trends
View all 118 elements with trend overlays for electronegativity, atomic radius, ionization energy, and electron affinity.
Explore Oganesson on the Interactive Periodic TableRelated Topics
Helium (He)
Properties of Helium - same group as Oganesson
Neon (Ne)
Properties of Neon - same group as Oganesson
Argon (Ar)
Properties of Argon - same group as Oganesson
Francium (Fr)
Properties of Francium - same period as Oganesson
Radium (Ra)
Properties of Radium - same period as Oganesson
Actinium (Ac)
Properties of Actinium - same period as Oganesson