Osmium

Osmium (Os)

chemical element with symbol Os and atomic number 76
Atomic Number76
Atomic Weight190.23
mass number192
Group8
Period6
Blockd
Proton76 p+
Neutron116 n0
Elektron76 e-
Animated Bohr model of Os (Osmium)

Physikalesch Eegenschaft

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Osmium0102030405060708090100110120130140150160170180190200210220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
ionization energy
ionization energy of Os (Osmium)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Elektron
electron shell2, 8, 18, 32, 14, 2
Bohr model: Os (Osmium)
valence electron2
Lewis structure: Os (Osmium)
electron configuration[Xe] 4f14 5d6 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d6 6s2
Enhanced Bohr model of Os (Osmium)
Orbital Diagram of Os (Osmium)
oxidation number-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8
electronegativity
2.2
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Faarf
Slate Gray
appearancesilvery, blue cast
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
Magnetismus
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000006 m³/Kg
magnetic susceptibility (Molar)
0,00000000011 m³/mol
magnetic susceptibility (Volume)
0,000014
magnetic ordering
Curie temperature
Néel temperature
Struktur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0,25
speed of sound
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number60
Mendeleev Number61
Pettifor Number62
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
15
Neutron Mass Absorption
0,0023
quantum number5D4
space group194 (P63/mmc)

Isotopes of Osmium

Stable Isotopes0
Unstable Isotopes43
Natural Isotopes7
Isotopic Composition19240.78%19240.78%19026.26%19026.26%18916.15%18916.15%18813.24%18813.24%1861.59%1861.59%1871.96%1871.96%1840.02%1840.02%

161Os

mass number161
neutron number85
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
640 ± 60 us
spin7/2
nuclear quadrupole moment
Datum vun der Entdeckung2010
parity-

decay modeintensity
α (α emission)100%

162Os

mass number162
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
2,1 ± 0,1 ms
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1989
parity+

decay modeintensity
α (α emission)100%

163Os

mass number163
neutron number87
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
5,7 ± 0,5 ms
spin7/2
nuclear quadrupole moment
Datum vun der Entdeckung1981
parity-

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

164Os

mass number164
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
21 ± 1 ms
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1981
parity+

decay modeintensity
α (α emission)96%
β+ (β+ decay; β+ = ϵ + e+)

165Os

mass number165
neutron number89
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
71 ± 3 ms
spin7/2
nuclear quadrupole moment
Datum vun der Entdeckung1978
parity-

decay modeintensity
α (α emission)90%
β+ (β+ decay; β+ = ϵ + e+)10%

166Os

mass number166
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
213 ± 5 ms
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1977
parity+

decay modeintensity
α (α emission)83%
β+ (β+ decay; β+ = ϵ + e+)17%

167Os

mass number167
neutron number91
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
839 ± 5 ms
spin7/2
nuclear quadrupole moment
Datum vun der Entdeckung1977
parity-

decay modeintensity
α (α emission)51%
β+ (β+ decay; β+ = ϵ + e+)

168Os

mass number168
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
2,1 ± 0,1 s
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1977
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)57%
α (α emission)43%

169Os

mass number169
neutron number93
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
3,46 ± 0,11 s
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung1972
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)86.3%
α (α emission)13.7%

170Os

mass number170
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
7,37 ± 0,18 s
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1972
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)90.5%
α (α emission)9.5%

171Os

mass number171
neutron number95
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
8,3 ± 0,2 s
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung1972
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)1.8%

172Os

mass number172
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
19,2 ± 0,9 s
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1971
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98.81%
α (α emission)1.19%

173Os

mass number173
neutron number97
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
22,4 ± 0,9 s
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung1971
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.6%
α (α emission)0.4%

174Os

mass number174
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
44 ± 4 s
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1971
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.024%

175Os

mass number175
neutron number99
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
1,4 ± 0,1 m
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung1972
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

176Os

mass number176
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
3,6 ± 0,5 m
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1970
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

177Os

mass number177
neutron number101
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
3 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1970
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

178Os

mass number178
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
5 ± 0,4 m
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

179Os

mass number179
neutron number103
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
6,5 ± 0,3 m
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1968
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

180Os

mass number180
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
21,5 ± 0,4 m
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

181Os

mass number181
neutron number105
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
105 ± 3 m
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1966
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

182Os

mass number182
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
21,84 ± 0,2 h
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1950
parity+

decay modeintensity
ϵ (electron capture)100%

183Os

mass number183
neutron number107
Relative Atomic Mass
g-factor
0,17644444444444 ± 0,0031111111111111
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
13 ± 0,5 h
spin9/2
nuclear quadrupole moment
3,1 ± 0,3
Datum vun der Entdeckung1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

184Os

mass number184
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
0,02 ± 0,02
Radioaktivitéit☢️ radioactive element
half-life
11,2 ± 2,3 Ty
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1937
parity+

decay modeintensity
α (α emission)
+ (double β+ decay)

185Os

mass number185
neutron number109
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
92,95 ± 0,09 d
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1947
parity-

decay modeintensity
ϵ (electron capture)100%

186Os

mass number186
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
1,59 ± 0,64
Radioaktivitéit☢️ radioactive element
half-life
2 ± 1,1 Py
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1931
parity+

decay modeintensity
α (α emission)100%

187Os

mass number187
neutron number111
Relative Atomic Mass
g-factor
natural abundance
1,96 ± 0,17
Radioaktivitéit☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1931
parity-

decay modeintensity
α (α emission)

188Os

mass number188
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
13,24 ± 0,27
Radioaktivitéit☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1931
parity+

decay modeintensity
α (α emission)

189Os

mass number189
neutron number113
Relative Atomic Mass
g-factor
natural abundance
16,15 ± 0,23
Radioaktivitéit☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
0,86 ± 0,03
Datum vun der Entdeckung1931
parity-

decay modeintensity
α (α emission)

190Os

mass number190
neutron number114
Relative Atomic Mass
g-factor
0
natural abundance
26,26 ± 0,2
Radioaktivitéit☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1931
parity+

decay modeintensity
α (α emission)

191Os

mass number191
neutron number115
Relative Atomic Mass
g-factor
0,21333333333333 ± 0,0066666666666667
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
14,99 ± 0,02 d
spin9/2
nuclear quadrupole moment
2,53 ± 0,16
Datum vun der Entdeckung1940
parity-

decay modeintensity
β (β decay)100%

192Os

mass number192
neutron number116
Relative Atomic Mass
g-factor
0
natural abundance
40,78 ± 0,32
Radioaktivitéit☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1931
parity+

decay modeintensity
(double β decay)
α (α emission)

193Os

mass number193
neutron number117
Relative Atomic Mass
g-factor
0,48666666666667 ± 0,0013333333333333
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
29,83 ± 0,018 h
spin3/2
nuclear quadrupole moment
Datum vun der Entdeckung1940
parity-

decay modeintensity
β (β decay)100%

194Os

mass number194
neutron number118
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
6 ± 0,2 y
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1951
parity+

decay modeintensity
β (β decay)100%

195Os

mass number195
neutron number119
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
6,5 ± 1,1 m
spin3/2
nuclear quadrupole moment
Datum vun der Entdeckung2004
parity-

decay modeintensity
β (β decay)100%

196Os

mass number196
neutron number120
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
34,9 ± 0,2 m
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1977
parity+

decay modeintensity
β (β decay)100%

197Os

mass number197
neutron number121
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
93 ± 7 s
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung2003
parity-

decay modeintensity
β (β decay)100%

198Os

mass number198
neutron number122
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
125 ± 28 s
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung2008
parity+

decay modeintensity
β (β decay)100%

199Os

mass number199
neutron number123
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
6 ± 3 s
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung2008
parity-

decay modeintensity
β (β decay)100%

200Os

mass number200
neutron number124
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
7 ± 4 s
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung2005
parity+

decay modeintensity
β (β decay)100%

201Os

mass number201
neutron number125
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung2009
parity-

decay modeintensity
β (β decay)

202Os

mass number202
neutron number126
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung2009
parity+

decay modeintensity
β (β decay)

203Os

mass number203
neutron number127
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
Datum vun der Entdeckung2012
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Osmium crystals

Geschicht

Entdecker oder ErfinderSmithson Tenant
location of discoveryEngland
Datum vun der Entdeckung1804
EtymologieGreek: osmê (odor).
pronunciationOZ-mi-em (Englesch)

Quell

Abundance
Abundance in Earth's crust
natural abundance (Ozean)
natural abundance (Mënschleche Kierper)
natural abundance (Meteoroid)
0,000066 %
natural abundance (Sonn)
0,0000002 %
Abundance in Universe
0,0000003 %

Nuclear Screening Constants

1s1.4701
2p4.4502
2s19.8502
3d13.5253
3p21.7483
3s22.5727
4d37.142
4f38.8472
4p34.856
4s33.9048
5d58.003
5p53.09
5s50.905
6s65.677