113NhNihonium286[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
unknown probably transition metal
Nihonium
Nihonium is a chemical element with atomic number 113. It has a symbol Nh. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and is extremely radioactive; its most stable known isotope, nihonium-286, has a half-life of 20 seconds.
A stylized shell model. Electrons are quantum objects, not particles following these literal paths. Sizes and motion are illustrative.
Electrons by shell
Electron configuration
5f14
6d10
7s2
7p1
86 is the [Rn] core total across six shells.
At a glance
- Atomic number
- 113
- Atomic mass
- 286 u
- Phase
- Solid
- Density
- 16 g/cm³
- Melting point
- 700 K
- Boiling point
- 1,430 K
- First ionization energy
- Unavailable
- Electronegativity
- Unavailable
- Electron affinity
- 66.6 kJ/mol
- Molar heat capacity
- Unavailable
- Period
- 7
- Appearance
- Unavailable
Conditions and isotopes affect measured properties. Some properties of short-lived elements are predicted. Electronegativity uses the Pauling scale.
Keep exploring
Explore the stories, imagery, and reference data in more depth. Properties with no value in the reference are marked unavailable.