Element 113
Nihonium
Transition metals
Nihonium (Nh) is in the p-block of the periodic table — group 13, period 7.
Nihonium is a chemical element with atomic number 113.
Key data
- Atomic number
- 113
- Atomic mass
- 286.000 u
- Group / Period
- 13 / 7
- Block
- p-block
- Phase at STP
- Solid
- Density
- 16 g/cm³
- Melting point
- 426.9 °C
- Boiling point
- 1156.8 °C
- Electron configuration
- *[Rn] 5f14 6d10 7s2 7p1
Periodic table block
Nihonium is in the p-block (group 13, period 7). Elements land in the p-block when their highest-energy electrons fill a p subshell — this region holds most nonmetals, the metalloids, and the metals on the right of the table.
New to this? Periodic table blocks explained: s, p, d, and f
Common uses
- •Research only
- •First Asian-named element
- •Synthesized 2003
Discovery
Year: 2003
Discovered by: RIKEN
Frequently asked questions
What is the atomic number of Nihonium?
Nihonium has atomic number 113. Its symbol is Nh and its atomic mass is 286 u.
What category of element is Nihonium?
Nihonium is classified as transition metals. It sits in group 13, period 7 of the periodic table.
What block of the periodic table is Nihonium in?
Nihonium is in the p-block (group 13, period 7). Its highest-energy electrons occupy the p subshell — you can see this in its electron configuration, *[Rn] 5f14 6d10 7s2 7p1.
What is Nihonium used for?
Common uses of Nihonium include: Research only, First Asian-named element, Synthesized 2003.
When was Nihonium discovered?
Nihonium was discovered in 2003 by RIKEN.
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