Osmij[um]

Osmij[um] (Os)

hemijski element sa simbolom Os i atomskim brojem 76
Atomic Number76
Atomic Weight190.23
Maseni broj192
Group8
Period6
Blockd
Proton76 p+
Neutron116 n0
Elektron76 e-
Animated Bohrov model atoma of Os (Osmij[um])

Physical Property

Atomski Radijus
130 pm
Molarni volumen
covalent radius
129 pm
Metallic Radius
126 pm
Ionski radijus
63 pm
Crystal Radius
77 pm
Van der Waalsov radijus
216 pm
gustoća
22,5872 g/cm³
Atomic Radii Of The Elements: Osmij[um]0102030405060708090100110120130140150160170180190200210220pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
8,43823 eV/particle
ionization energy of Os (Osmij[um])
Toplota isparavanja
738 kJ/mol
toplota topljenja
31,7 kJ/mol
standard enthalpy of formation
787 kJ/mol
Elektron
electron shell2, 8, 18, 32, 14, 2
Bohrov model atoma: Os (Osmij[um])
Valentni elektron2
Lewis structure: Os (Osmij[um])
electron configuration[Xe] 4f14 5d6 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d6 6s2
Enhanced Bohrov model atoma of Os (Osmij[um])
Orbital Diagram of Os (Osmij[um])
oksidacijsko stanje-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8
Elektronegativnost
2.2
Electrophilicity Index
1,5497236992588812 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
5.281,15 K
Melting Point
3.306,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Slate Gray
appearancesilvery, blue cast
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000051 1/K
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Specifična električna provodljivost
12 MS/m
electrical resistivity
0,00000008000000000001 m Ω
Superprovodljivost
0,66 K
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000006 m³/Kg
magnetic susceptibility (Molar)
0,00000000011 m³/mol
magnetic susceptibility (Volume)
0,000014
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2,74 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
7 MPa
bulk modulus
shear modulus
222 GPa
Young's modulus
Poisson's ratio
0,25
Brzina zvuka
4.940 m/s
klasifikacija
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number60
Mendeleev Number61
Pettifor Number62
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

other

Gas Basicity
polarizability
57 ± 3 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
15
Neutron Mass Absorption
0,0023
Kvantni brojevi5D4
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

Maseni broj161
broj neutrona85
relative atomic mass
160,989054 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
640 ± 60 us
spin7/2
nuclear quadrupole moment
datum otkrića2010
parity-

decay modeintensity
α (α emission)100%

162Os

Maseni broj162
broj neutrona86
relative atomic mass
161,984434 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,1 ± 0,1 ms
spin0
nuclear quadrupole moment
0
datum otkrića1989
parity+

decay modeintensity
α (α emission)100%

163Os

Maseni broj163
broj neutrona87
relative atomic mass
162,982462 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,7 ± 0,5 ms
spin7/2
nuclear quadrupole moment
datum otkrića1981
parity-

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

164Os

Maseni broj164
broj neutrona88
relative atomic mass
163,978073158 ± 0,000160927 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21 ± 1 ms
spin0
nuclear quadrupole moment
0
datum otkrića1981
parity+

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

165Os

Maseni broj165
broj neutrona89
relative atomic mass
164,976654 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
71 ± 3 ms
spin7/2
nuclear quadrupole moment
datum otkrića1978
parity-

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

166Os

Maseni broj166
broj neutrona90
relative atomic mass
165,972698135 ± 0,000019287 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
213 ± 5 ms
spin0
nuclear quadrupole moment
0
datum otkrića1977
parity+

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

167Os

Maseni broj167
broj neutrona91
relative atomic mass
166,971552304 ± 0,000086841 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
839 ± 5 ms
spin7/2
nuclear quadrupole moment
datum otkrića1977
parity-

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

168Os

Maseni broj168
broj neutrona92
relative atomic mass
167,96779905 ± 0,000010631 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,1 ± 0,1 s
spin0
nuclear quadrupole moment
0
datum otkrića1977
parity+

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

169Os

Maseni broj169
broj neutrona93
relative atomic mass
168,967017521 ± 0,000027847 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,46 ± 0,11 s
spin5/2
nuclear quadrupole moment
datum otkrića1972
parity-

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

170Os

Maseni broj170
broj neutrona94
relative atomic mass
169,963579273 ± 0,000010476 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,37 ± 0,18 s
spin0
nuclear quadrupole moment
0
datum otkrića1972
parity+

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

171Os

Maseni broj171
broj neutrona95
relative atomic mass
170,963180402 ± 0,000019589 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,3 ± 0,2 s
spin5/2
nuclear quadrupole moment
datum otkrića1972
parity-

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

172Os

Maseni broj172
broj neutrona96
relative atomic mass
171,960017309 ± 0,000013704 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,2 ± 0,9 s
spin0
nuclear quadrupole moment
0
datum otkrića1971
parity+

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

173Os

Maseni broj173
broj neutrona97
relative atomic mass
172,959808387 ± 0,000016059 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22,4 ± 0,9 s
spin5/2
nuclear quadrupole moment
datum otkrića1971
parity-

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

174Os

Maseni broj174
broj neutrona98
relative atomic mass
173,957063192 ± 0,000011008 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
44 ± 4 s
spin0
nuclear quadrupole moment
0
datum otkrića1971
parity+

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

175Os

Maseni broj175
broj neutrona99
relative atomic mass
174,956945126 ± 0,00001264 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,4 ± 0,1 m
spin5/2
nuclear quadrupole moment
datum otkrića1972
parity-

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

176Os

Maseni broj176
broj neutrona100
relative atomic mass
175,954770315 ± 0,000011754 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,6 ± 0,5 m
spin0
nuclear quadrupole moment
0
datum otkrića1970
parity+

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

177Os

Maseni broj177
broj neutrona101
relative atomic mass
176,954957902 ± 0,000015687 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1970
parity-

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

178Os

Maseni broj178
broj neutrona102
relative atomic mass
177,953253334 ± 0,000014634 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5 ± 0,4 m
spin0
nuclear quadrupole moment
0
datum otkrića1967
parity+

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

179Os

Maseni broj179
broj neutrona103
relative atomic mass
178,953815985 ± 0,000016645 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,5 ± 0,3 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1968
parity-

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

180Os

Maseni broj180
broj neutrona104
relative atomic mass
179,952381665 ± 0,000016878 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,5 ± 0,4 m
spin0
nuclear quadrupole moment
0
datum otkrića1967
parity+

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

181Os

Maseni broj181
broj neutrona105
relative atomic mass
180,953247188 ± 0,000027201 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
105 ± 3 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1966
parity-

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

182Os

Maseni broj182
broj neutrona106
relative atomic mass
181,952110154 ± 0,000023344 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,84 ± 0,2 h
spin0
nuclear quadrupole moment
0
datum otkrića1950
parity+

decay modeintensity
ϵ (electron capture)100%

183Os

Maseni broj183
broj neutrona107
relative atomic mass
182,953125028 ± 0,000053428 Da
g-factor
0,17644444444444 ± 0,0031111111111111
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13 ± 0,5 h
spin9/2
nuclear quadrupole moment
3,1 ± 0,3
datum otkrića1950
parity+

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

184Os

Maseni broj184
broj neutrona108
relative atomic mass
183,952492919 ± 0,00000089 Da
g-factor
0
natural abundance
0,02 ± 0,02
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,2 ± 2,3 Ty
spin0
nuclear quadrupole moment
0
datum otkrića1937
parity+

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

185Os

Maseni broj185
broj neutrona109
relative atomic mass
184,954045969 ± 0,000000893 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
92,95 ± 0,09 d
spin1/2
nuclear quadrupole moment
0
datum otkrića1947
parity-

decay modeintensity
ϵ (electron capture)100%

186Os

Maseni broj186
broj neutrona110
relative atomic mass
185,953837569 ± 0,000000816 Da
g-factor
0
natural abundance
1,59 ± 0,64
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2 ± 1,1 Py
spin0
nuclear quadrupole moment
0
datum otkrića1931
parity+

decay modeintensity
α (α emission)100%

187Os

Maseni broj187
broj neutrona111
relative atomic mass
186,955749569 ± 0,000000791 Da
g-factor
natural abundance
1,96 ± 0,17
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića1931
parity-

decay modeintensity
α (α emission)

188Os

Maseni broj188
broj neutrona112
relative atomic mass
187,955837292 ± 0,000000788 Da
g-factor
0
natural abundance
13,24 ± 0,27
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1931
parity+

decay modeintensity
α (α emission)

189Os

Maseni broj189
broj neutrona113
relative atomic mass
188,958145949 ± 0,000000715 Da
g-factor
natural abundance
16,15 ± 0,23
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
0,86 ± 0,03
datum otkrića1931
parity-

decay modeintensity
α (α emission)

190Os

Maseni broj190
broj neutrona114
relative atomic mass
189,958445442 ± 0,000000697 Da
g-factor
0
natural abundance
26,26 ± 0,2
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1931
parity+

decay modeintensity
α (α emission)

191Os

Maseni broj191
broj neutrona115
relative atomic mass
190,960928105 ± 0,000000707 Da
g-factor
0,21333333333333 ± 0,0066666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,99 ± 0,02 d
spin9/2
nuclear quadrupole moment
2,53 ± 0,16
datum otkrića1940
parity-

decay modeintensity
β (β decay)100%

192Os

Maseni broj192
broj neutrona116
relative atomic mass
191,961478765 ± 0,000002484 Da
g-factor
0
natural abundance
40,78 ± 0,32
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1931
parity+

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

193Os

Maseni broj193
broj neutrona117
relative atomic mass
192,964149637 ± 0,00000249 Da
g-factor
0,48666666666667 ± 0,0013333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
29,83 ± 0,018 h
spin3/2
nuclear quadrupole moment
datum otkrića1940
parity-

decay modeintensity
β (β decay)100%

194Os

Maseni broj194
broj neutrona118
relative atomic mass
193,965179407 ± 0,000002579 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6 ± 0,2 y
spin0
nuclear quadrupole moment
0
datum otkrića1951
parity+

decay modeintensity
β (β decay)100%

195Os

Maseni broj195
broj neutrona119
relative atomic mass
194,968318 ± 0,00006 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,5 ± 1,1 m
spin3/2
nuclear quadrupole moment
datum otkrića2004
parity-

decay modeintensity
β (β decay)100%

196Os

Maseni broj196
broj neutrona120
relative atomic mass
195,969643261 ± 0,000043 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
34,9 ± 0,2 m
spin0
nuclear quadrupole moment
0
datum otkrića1977
parity+

decay modeintensity
β (β decay)100%

197Os

Maseni broj197
broj neutrona121
relative atomic mass
196,973076 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
93 ± 7 s
spin5/2
nuclear quadrupole moment
datum otkrića2003
parity-

decay modeintensity
β (β decay)100%

198Os

Maseni broj198
broj neutrona122
relative atomic mass
197,974664 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
125 ± 28 s
spin0
nuclear quadrupole moment
0
datum otkrića2008
parity+

decay modeintensity
β (β decay)100%

199Os

Maseni broj199
broj neutrona123
relative atomic mass
198,978239 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6 ± 3 s
spin5/2
nuclear quadrupole moment
datum otkrića2008
parity-

decay modeintensity
β (β decay)100%

200Os

Maseni broj200
broj neutrona124
relative atomic mass
199,980086 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7 ± 4 s
spin0
nuclear quadrupole moment
0
datum otkrića2005
parity+

decay modeintensity
β (β decay)100%

201Os

Maseni broj201
broj neutrona125
relative atomic mass
200,984069 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića2009
parity-

decay modeintensity
β (β decay)

202Os

Maseni broj202
broj neutrona126
relative atomic mass
201,986548 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića2009
parity+

decay modeintensity
β (β decay)

203Os

Maseni broj203
broj neutrona127
relative atomic mass
202,992195 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin9/2
nuclear quadrupole moment
datum otkrića2012
parity+

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

historija

otkrivač ili izumiteljSmithson Tenant
mjesto otkrićaEngland
datum otkrića1804
EtimologijaGreek: osmê (odor).
pronunciationOZ-mi-em (engleski)

izvor

Abundance
Abundance in Earth's crust
0,0015 mg/kg
natural abundance (okean)
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
0,000066 %
natural abundance (Sunce)
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