Mendeleev's Periodic Table > Hs - Hassium

Hs - Hassium

An artificial element, discovered by Peter Armbruster and Gottfried Münzenberg in 1983. Hassium is not present in the environment at all.

Atomic number - 108 Density g/mL -
Atomic weight u 265 Melting point K -
Bonding radius A - Boiling point K -
Atomic radius A - Heat of vaporization kJ/mol -
Ionization Potential V - Heat of fusion kJ/mol -
Electronegativity - - Specific heat J/gK -
The oxide is unknown. Crystal are unknown.
Electron config. : [Rn] 5f14 6d6 7s2

Isotopes of Hs (Hassium) :

MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 263
1 sec
a,9.690 MeV
Sg-259
263.0 		264
0.08 msec
a/SF,10.800
Sg-260/?
264.12861 		265
1.8 msec
a/SF,10.820
Sg-261/?
265.13054 		266

,9.100 MeV

266.13065
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 267
33 msec
a,11.269 MeV
Sg-263
267.0 		269
20 sec
a,11.269 MeV
Sg-265
269.0


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