Hassi (Hs)

chemical element with the atomic number of 108

Atomic Number	108
Atomic Weight	269
Rhif màs	263

Group	8
Period	7
Block	d

Proton	108 p⁺
Niwtron	155 n⁰
Electron	108 e^-

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius	134 pm 125 pm 118 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density	40.7 g/cm³

Nodwedd Gemegol

egni

proton affinity
electron affinity
ionization energy	7.6 eV/particle 18.2 eV/particle 29.3 eV/particle 37.7 eV/particle 51.2 eV/particle 64 eV/particle 78 eV/particle 92 eV/particle 160 eV/particle 173.9 eV/particle 206.1 eV/particle 227 eV/particle 258 eV/particle 285 eV/particle 314 eV/particle 351 eV/particle 371 eV/particle 409 eV/particle 984 eV/particle 1,020 eV/particle 1,060 eV/particle 1,101 eV/particle 1,140 eV/particle 1,180 eV/particle 1,253 eV/particle 1,294 eV/particle 1,338 eV/particle 1,379 eV/particle 4,339 eV/particle 4,425 eV/particle 4,516 eV/particle 4,610 eV/particle 4,700 eV/particle 4,790 eV/particle 5,020 eV/particle 5,120 eV/particle 5,220 eV/particle 5,310 eV/particle 5,700 eV/particle 5,780 eV/particle 5,880 eV/particle 5,980 eV/particle 6,840 eV/particle 6,950 eV/particle 7,230 eV/particle 7,340 eV/particle 11,200 eV/particle 11,390 eV/particle 11,600 eV/particle 11,830 eV/particle 12,040 eV/particle 12,250 eV/particle 12,900 eV/particle 13,130 eV/particle 13,400 eV/particle 13,600 eV/particle 14,200 eV/particle 14,400 eV/particle 14,600 eV/particle 14,800 eV/particle 17,500 eV/particle 17,700 eV/particle 18,200 eV/particle 18,400 eV/particle 35,900 eV/particle 36,400 eV/particle 37,000 eV/particle 37,500 eV/particle 47,300 eV/particle 48,100 eV/particle 49,000 eV/particle 194,917 eV/particle

enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron

plisgyn yr electron	2, 8, 18, 32, 32, 14, 2

valence electron	2 ⓘ

trefn yr electronnau	[Rn] 5f¹⁴ 6d⁶ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d⁶ 7s²

Cyflwr ocsidiad	8
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater

cyflwr mater	Solid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw	Colorless #e6002e
appearance
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure	()
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
Category	Transition metals, Transition metals
CAS Group	VIIIA
IUPAC Group	VIII
Glawe Number
Mendeleev Number	62
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	36 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	5D4
space group	()

Isotopes of Hassium

Stable Isotopes	0
Unstable Isotopes	18
Natural Isotopes	0

²⁶³Hs

Rhif màs	263
neutron number	155
Relative Atomic Mass	263.128479 ± 0.000212 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	0.9 ± 0.4 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	2009
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁶⁴Hs

Rhif màs	264
neutron number	156
Relative Atomic Mass	264.12835633 ± 0.000031005 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	0.7 ± 0.3 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1986
parity	+

decay mode	intensity
α (α emission)	70%
SF (spontaneous fission)	30%

²⁶⁵Hs

Rhif màs	265
neutron number	157
Relative Atomic Mass	265.129791744 ± 0.000025719 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.96 ± 0.16 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1984
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁶⁶Hs

Rhif màs	266
neutron number	158
Relative Atomic Mass	266.130048783 ± 0.000029099 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3 ± 0.6 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2001
parity	+

decay mode	intensity
α (α emission)	76%
SF (spontaneous fission)	24%

²⁶⁷Hs

Rhif màs	267
neutron number	159
Relative Atomic Mass	267.131678 ± 0.000102 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	55 ± 11 ms
spin
nuclear quadrupole moment
dyddiad darganfod	1995
parity

decay mode	intensity
α (α emission)	80%
SF (spontaneous fission)

²⁶⁸Hs

Rhif màs	268
neutron number	160
Relative Atomic Mass	268.132011 ± 0.000322 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.4 ± 1.1 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2010
parity	+

decay mode	intensity
α (α emission)	100%

²⁶⁹Hs

Rhif màs	269
neutron number	161
Relative Atomic Mass	269.133649 ± 0.000141 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	15 ± 7 s
spin	9/2
nuclear quadrupole moment
dyddiad darganfod	1996
parity	+

decay mode	intensity
α (α emission)	100%

²⁷⁰Hs

Rhif màs	270
neutron number	162
Relative Atomic Mass	270.134313 ± 0.000266 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	9 ± 4 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2003
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁷¹Hs

Rhif màs	271
neutron number	163
Relative Atomic Mass	271.137082 ± 0.000296 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod	2008
parity

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷²Hs

Rhif màs	272
neutron number	164
Relative Atomic Mass	272.138492 ± 0.000547 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷³Hs

Rhif màs	273
neutron number	165
Relative Atomic Mass	273.141458 ± 0.000401 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1,060 ± 500 ms
spin
nuclear quadrupole moment
dyddiad darganfod	2010
parity

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁷⁴Hs

Rhif màs	274
neutron number	166
Relative Atomic Mass	274.143217 ± 0.000504 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁵Hs

Rhif màs	275
neutron number	167
Relative Atomic Mass	275.14653 ± 0.000637 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	280 ± 130 ms
spin
nuclear quadrupole moment
dyddiad darganfod	2004
parity

decay mode	intensity
α (α emission)	100%

²⁷⁶Hs

Rhif màs	276
neutron number	168
Relative Atomic Mass	276.148348 ± 0.000773 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁷Hs

Rhif màs	277
neutron number	169
Relative Atomic Mass	277.151772 ± 0.00048 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	12 ± 9 ms
spin
nuclear quadrupole moment
dyddiad darganfod	2010
parity

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)

²⁷⁸Hs

Rhif màs	278
neutron number	170
Relative Atomic Mass	278.153753 ± 0.000322 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2016
parity	+

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)

²⁷⁹Hs

Rhif màs	279
neutron number	171
Relative Atomic Mass	279.157274 ± 0.000644 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸⁰Hs

Rhif màs	280
neutron number	172
Relative Atomic Mass	280.159335 ± 0.000644 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

hanes

darganfyddwr neu ddyfeisiwr	Heavy Ion Research Laboratory (HIRL)
man darganfod	Germany
dyddiad darganfod	1984
geirdarddiad	Named in honor of Henri Hess, Swiss born Russian chemist known for work in thermodydamics.
ynganiad	HES-i-em (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)	0 %
natural abundance (Awyrfaen)	0 %
natural abundance (Haul)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Hassi on ChemicalAid

Australian Educational Vocabulary ID	scot/3527
DSSTOX compound identifier	DTXCID601323015
DSSTox substance ID	DTXSID10893066
Den Store Danske ID	hassium
Elhuyar ZTH ID	064405
French Vikidia ID	Hassium
GND	4518309-0
Great Russian Encyclopedia Online ID	4730829
National Library of Israel J9U ID	987007595442705171
OmegaWiki Defined Meaning	160082
Rhif Cofrestru CAS	54037-57-9
Store norske leksikon ID	hassium
USGS Thesaurus ID	1468
WordNet 3.1 Synset ID	14663973-n
dynodwr Encyclopædia Britannica Online	science/hassium
dynodwr Freebase	/m/025rtwf
dynodwr KBpedia	Hassium
dynodwr LCAuth	sh2012003723
dynodwr Quora	Hassium
dynodwr Treccani	hassio

Hassi (Hs)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Hassium

263Hs

264Hs

265Hs

266Hs

267Hs

268Hs

269Hs

270Hs

271Hs

272Hs

273Hs

274Hs

275Hs

276Hs

277Hs

278Hs

279Hs

280Hs

hanes

source

Nuclear Screening Constants

²⁶³Hs

²⁶⁴Hs

²⁶⁵Hs

²⁶⁶Hs

²⁶⁷Hs

²⁶⁸Hs

²⁶⁹Hs

²⁷⁰Hs

²⁷¹Hs

²⁷²Hs

²⁷³Hs

²⁷⁴Hs

²⁷⁵Hs

²⁷⁶Hs

²⁷⁷Hs

²⁷⁸Hs

²⁷⁹Hs

²⁸⁰Hs