NIHONIUM, Nh (113)

Nihonium is an extremely radioactive synthetic element. Its most stable known isotope, ununtrium-286, has a half-life of 20 seconds. Calculated to have some similar properties to its lighter homologues, boron, aluminium, gallium, indium, and thallium.

ELEMENT BRIEF

2003 by Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory.

DISCOVERY

Named after Japan (Nihon in Japanese).

ETYMOLOGY

Nihonium

ELEMENT

Nh

SYMBOL

113

ATOMIC NUMBER

54084-70-7

CAS NUMBER

ELEMENTAL SPECTRUM

-

ELEMENTAL COLOUR

-

REFRACTIVE INDEX

-

POISSON RATIO

17.761 cm³

MOLAR VOLUME

-

BRINELL HARDNESS

-

MOHS HARDNESS

-

VICKERS HARDNESS

-

SPEED OF SOUND

-

BULK MODULUS

-

SHEAR MODULUS

-

YOUNG MODULUS

ALLOTROPES

NONE

-

MELTING POINT

-

BOILING POINT

-

AUTOMATIC IGNITION

-

FLASHPOINT

-

CRITICAL TEMPERATURE

-

CRITICAL PRESSURE

-

THERMAL CONDUCTIVITY

-

THERMAL EXPANSION

-

SPECIFIC HEAT

-

HEAT FUSION

-

HEAT VAPORISATION

-

HEAT COMBUSTION

-

CURIE POINT

-

NEEL POINT

-

ADIABATIC INDEX

Solid

PHASE

-

ELECTRICAL TYPE

-

CONDUCTIVITY

-

RESISTIVITY

-

SUPERCONDUCTING POINT

-

MAGNETIC TYPE

-

MASS SUSCEPTIBILITY

-

MOLAR SUSCEPTIBILITY

-

VOLUME SUSCEPTIBILITY

Basic Metal

CLASSIFICATION

284.178'730'0

ATOMIC WEIGHT

-

ATOMIC RADIUS

136 pm

COVALENT RADIUS SINGLE BOND

-

COVALENT RADIUS DOUBLE BOND

-

COVALENT RADIUS TRIPLE BOND

170

VAN DER WAALS RADIUS

[Rn]7s²5f¹⁴6d¹⁰7p¹

ELECTRON CONFIGURATION

Hexagonal, Close Packed Single

CRYSTAL STRUCTURE

16.000'00 g/cm³

DENSITY AS SOLID

-

DENSITY AS LIQUID

-

DENSITY AS GAS

-

SPACE GROUP NAME

-

SPACE GROUP NUMBER

-

LATTICE ANGLES

-

LATTICE CONSTANTS

-

VALENCE

-

ELECTRONEGATIVITY

-

ELECTRON AFFINITY

IONISATION ENERGY