113Nh[286]
Nihonium
Unknown propertiesSuper-heavy elements made in labs a few atoms at a time. Their chemistry is still being studied.
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
- Atomic number
- 113
- Atomic mass
- [286]
- Protons
- 113
- Neutrons
- 173
- Electrons
- 113
- Shells
- 2, 8, 18, 32, 32, 18, 3
- State at 25 °C
- Unknown
- Position
- Group 13, period 7
Proton (+)Neutron (0)Electron (−)
Discovered byKosuke Morita's team at RIKEN, Japan, 2004Kosuke Morita: 1 element
The first element discovered in Asia. Nihon means Japan.
Did you know?
- The team spent nine years making just three atoms.
- Its discovery was confirmed in 2012.
Where it's found
- Made only in laboratories, a few atoms at a time
What it's used for
- Scientific research only
Try it
There's no safe home experiment for Nihonium. Explore it with the animated atom above instead.