Nh
Nihonium
Post TransitionAtomic Number: 113 • Atomic Mass: 284.0000 u • Period: 7 • Group: 13
Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p¹
Phase: Solid
Physical & Chemical Properties
Physical Properties
- •Expected to be a solid at room temperature
- •Predicted to have a metallic appearance
- •Extremely radioactive and unstable
Melting Point
700 K (426.85 °C, 800.33 °F)
Boiling Point
1400 K (1126.85 °C, 2060.33 °F)
Density
16 g/cm³
Chemical Properties
- •Expected to behave similarly to thallium
- •Likely to form +1 and +3 oxidation states
- •May show relativistic effects affecting its chemistry
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p¹Electron configuration describes how electrons are distributed in atomic orbitals, showing how they are arranged in energy levels and subshells.