Nihonium (Nh)
"The Rising Sun, the first hero to be discovered in an Asian country."
A memorable persona to anchor Nh in your mind.
16
Grams per cm³
N/A
Celsius (°C)
N/A
Radius (pm)
Daily Life Link
Nihonium has no everyday connection, used only in research.
Discovery & History
Year Discovered
2003
Discovered By
RIKEN
Origin of Name
"The name refers to the Japanese name for Japan."
Technical Properties
Atomic Mass
[286] u
Standard State
solid (expected)
Boiling Point
N/A
Electron Configuration
[Rn] 5f146d107s27p1
1st Ionization Energy
N/A
Electron Affinity
N/A
Oxidation States
"Nihonium is a synthetic, highly radioactive element."
Did You Know?
It is the first chemical element to have been discovered in an Asian country.
It is named after the common Japanese name for Japan, 'Nihon', which literally means 'the Land of the Rising Sun'.
The discovery was made by a team of scientists at the RIKEN research institute in Japan.
Its most stable known isotope has a half-life of about 20 seconds.