TENNESSINE, Ts (117)

Tennessine is the second-heaviest known element and as of 2015, 15 Tennessine atoms have been observed: six when it was first synthesized in 2010, seven in 2012, and two in 2014. The synthesized atoms have lasted some tens and hundreds of microseconds and is likely to neither commonly form anions nor achieve high oxidation states. However, a few key properties, such as its melting and boiling points and its first ionisation energy, are expected to follow the periodic trends from the halogens.

ELEMENT BRIEF

2010 by Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory.

DISCOVERY

Named after the Tennessee state of the United States of America.

ETYMOLOGY

Tennessine

ELEMENT

Ts

SYMBOL

117

ATOMIC NUMBER

87658-56-8

CAS NUMBER

ELEMENTAL SPECTRUM

-

ELEMENTAL COLOUR

-

REFRACTIVE INDEX

-

POISSON RATIO

41.156 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

Halogen

CLASSIFICATION

292.207'460'0

ATOMIC WEIGHT

-

ATOMIC RADIUS

165 pm

COVALENT RADIUS SINGLE BOND

-

COVALENT RADIUS DOUBLE BOND

-

COVALENT RADIUS TRIPLE BOND

138 pm

VAN DER WAALS RADIUS

[Rn]7s²5f¹⁴6d¹⁰7p⁵

ELECTRON CONFIGURATION

-

CRYSTAL STRUCTURE

7.100'00 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