Nihonium (Nh)
Nihonium (Nh, element 113) is a post-transition metal in group 13, period 7. Atomic mass 286, electron configuration [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹, uses and facts.
About Nihonium
Nihonium is a post-transition metal with the symbol Nh and atomic number 113. Its state at room temperature is not known, because too little of it has been made, and it sits in group 13, period 7 of the periodic table. Nihonium was discovered in 2004 by RIKEN Institute.
Nihonium key facts
- Atomic number: 113
- Symbol: Nh
- Atomic mass: 286 u
- Category: post-transition metal
- Group: 13
- Period: 7
- State at room temperature: not known
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
- Electronegativity (Pauling): not assigned
- Melting point: not known
- Boiling point: not known
- Density: not known
- Common oxidation states: not known
Electron configuration
The electron configuration of nihonium is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹. The part in brackets is the noble gas core; the rest shows how the outer electrons fill their subshells. Nihonium has 3 valence electrons.
Uses of nihonium
- Research only
Did you know?
Named after Japan ('Nihon' in Japanese). First element discovered in Asia.
Other elements in group 13 and neighbours
Frequently asked questions
What is the atomic number of nihonium?
The atomic number of nihonium is 113, which means every nihonium atom has 113 protons.
What is the electron configuration of nihonium?
The electron configuration of nihonium is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹.
What group and period is nihonium in?
Nihonium is a post-transition metal in group 13, period 7.
What state is nihonium at room temperature?
The state of nihonium at room temperature is not known, because too little of it has been made.
What is nihonium used for?
Nihonium is used for research only.