Nihonium

Post-transition metal · 286.182 u · group 13, period 7

Nihonium · Nh

Atomic number113

SymbolNh

CategoryPost-transition metal

Standard stateSolid (predicted)

Group · Period · Block13 · 7 · p

Electron configuration[Rn]5f14 6d10 7s2 7p1 (predicted)

Atomic mass286.182 u

Atomic radius—

Protons / Neutrons / Electrons113 / 173 / 113

Shells (e⁻ per shell)2, 8, 18, 32, 32, 18, 3

Electronegativity (Pauling)—

Ionization energy—

Electron affinity—

Oxidation states—

Melting point—

Boiling point—

Density—

Year discovered2004

CPK color

#63e6be

State at room temp (25 °C)

unknown

Position