Hs - Hassium

An artificial element, discovered by Peter Armbruster and Gottfried Münzenberg in 1983.

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

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

H He

Li Be B C N O F Ne

Na Mg Al Si P S Cl Ar

K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr

Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe

Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn

Fr Ra Ac** Rf Db Sg Bh Hs Mt 110 111 112 113

Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu

Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

Isotopes of Hs: Click mass number for decay process, product for element page.

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 267
33 msec
a,11.269 MeV
Sg-263
267.0 269
20 sec
a,11.269 MeV
Sg-265
269.0

MASS abund.
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass

Updated by clh on 2/27/98. This is not a publication of Phoenix College.

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