NIHONIUM

DISCOVERED

Discovery date : 2004

Discovered by: Scientists from RIKEN (The Institute of Physical and Chemical Research) in Japan

Origin of the name: The name refers to the Japanese name for Japan.

Allotropes :






~>NIHONIUM is a synthetic chemical element with symbol Nh and atomic number 113. It is extremely radioactive; its most stable known isotope, nihonium-286, has a half-life of about 8 seconds.


FACT BOX
Group 13 Melting point Unknown
Period 7 Boiling point Unknown
Block p Density (g cm−3) Unknown
Atomic number 113 Relative atomic mass [286]
State at 20°C Solid Key isotopes 286Nh
Electron configuration [Rn] 5f146d107s27p1 CAS number 54084-70-7
ChemSpider ID - ChemSpider is a free chemical structure database

ELEMENTS and PERIODIC TABLE HISTORY

IUPAC confirmed the discovery (by scientists from RIKEN (The Institute of Physical and Chemical Research) in Japan) in 2015. This entry will be updated when more information is available.