Nihonium is a chemical element with atomic number 113. It has a symbol Nh. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and is extremely radioactive; its most stable known isotope, nihonium-286, has a half-life of 20 seconds.
113 Atomic Number
286 u Atomic Mass
null K Melting Point
null K Boiling Point
16 g/cm³ Density
null Å Atomic Radius
null Å Covalent Radius
null eV First Ionization Energy
66.6 Electron Affinity
7 Number of Shells
3 Electron Valency
2, 8, 18, 32, 32, 18, 3 Electron Shell Occupations