113
Nh
286
Nihonium (Nh)
Element 113 · Period 7 · Group 13
post-transition
solid at room temp
p-block
radioactive
synthetic
About Nihonium
First element discovered in Asia. Named in Japanese (日本). Discovered at RIKEN.
Physical Properties
Atomic Mass
286 u
State at 25°C
Solid
Melting Point
430 °C
Boiling Point
1130 °C
Density
16 g/cm³
Magnetism
Unknown
Atomic Properties
Electron Configuration
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Electron Shells
2, 8, 18, 32, 32, 18, 3
Oxidation States
+1, +3
Discovery & History
Discovered By
Kosuke Morita
Discovery Year
2004
Named By
IUPAC
Name origin: Japanese: Nihon (Japan)
Frequently Asked Questions
- Is Nihonium a metal, nonmetal, or metalloid?
- Nihonium is classified as a post-transition.
- What state is Nihonium in at room temperature?
- Nihonium is a solid at standard room temperature (25°C).
- What is the atomic mass of Nihonium?
- Nihonium has an atomic mass of 286 atomic mass units (u).
- Who discovered Nihonium?
- Nihonium was discovered by Kosuke Morita in 2004.
- Where is Nihonium on the periodic table?
- Nihonium is element number 113, located in period 7 and group 13.