Iriidium

Iriidium (Ir)

chemical element with symbol Ir and atomic number 77
Atomic Number77
Atomic Weight192.217
massiarv193
Group9
Period6
Blockd
prooton77 p+
neutron116 n0
elektron77 e-
Animated Bohri aatomiteooria of Ir (Iriidium)

Füüsikalised Omadused

Aatomiraadius
molaarruumala
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Iriidium0102030405060708090100110120130140150160170180190200210220pmAatomiraadiusCovalent RadiusMetallic RadiusVan der Waals radius

Keemilised Omadused

energia
proton affinity
Elektronafiinsus
ionization energy
ionization energy of Ir (Iriidium)
aurustumissoojus
sulamissoojus
standard enthalpy of formation
elektron
elektronkiht2, 8, 18, 32, 15, 2
Bohri aatomiteooria: Ir (Iriidium)
valentselektron2
Lewis structure: Ir (Iriidium)
elektronkonfiguratsioon[Xe] 4f14 5d7 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d7 6s2
Enhanced Bohri aatomiteooria of Ir (Iriidium)
Orbital Diagram of Ir (Iriidium)
oksüdatsiooniaste-3, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
elektronegatiivsus
2.2
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
kolmikpunkt
Välimus
värvus
Silver
Välimussilvery white
Murdumisnäitaja
thermodynamic material property
Thermal Conductivity
soojuspaisumine
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Elektrijuhtivus
Eritakistus
Ülijuhtivus
Magnetism
typeparamagnetic
Magnetiline vastuvõtlikkus (Mass)
0,00000000167 m³/Kg
Magnetiline vastuvõtlikkus (Molar)
0,000000000321 m³/mol
Magnetiline vastuvõtlikkus (Volume)
0,0000377
magnetic ordering
Curie punkt
Néel temperature
struktuur
Crystal StructureFace Centered Cubic (FCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
kõvadus
Ruumpaisumismoodul
Nihkeelastsusmoodul
Normaalelastsusmoodul
Poissoni tegur
0,26
heli kiirus
Klassifitseerimine
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number62
Mendeleev Number65
Pettifor Number65
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

teine

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
425
Neutron Mass Absorption
0,081
Kvantarv4F9/2
space group225 (Fm_3m)

Isotopes of Iridium

Stable Isotopes2
Unstable Isotopes41
Natural Isotopes2
Isotopic Composition19362.70%19362.70%19137.30%19137.30%

163Ir

massiarv163
neutron number86
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn1/2
nuclear quadrupole moment
0
avastamise aeg
parity+

decay modeIntensiivsus
p (proton emission)

164Ir

massiarv164
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn2
nuclear quadrupole moment
avastamise aeg
parity-

decay modeIntensiivsus
p (proton emission)
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

165Ir

massiarv165
neutron number88
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn1/2
nuclear quadrupole moment
0
avastamise aeg
parity+

decay modeIntensiivsus
p (proton emission)
α (α emission)

166Ir

massiarv166
neutron number89
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
10,5 ± 2,2 ms
spinn2
nuclear quadrupole moment
avastamise aeg1981
parity

decay modeIntensiivsus
α (α emission)93%
p (proton emission)7%

167Ir

massiarv167
neutron number90
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
29,3 ± 0,6 ms
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1981
parity+

decay modeIntensiivsus
α (α emission)43.5%
p (proton emission)38.6%
β+ (β+ decay; β+ = ϵ + e+)

168Ir

massiarv168
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
230 ± 50 ms
spinn2
nuclear quadrupole moment
avastamise aeg1978
parity

decay modeIntensiivsus
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

169Ir

massiarv169
neutron number92
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
353 ± 4 ms
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1978
parity+

decay modeIntensiivsus
α (α emission)53%
β+ (β+ decay; β+ = ϵ + e+)

170Ir

massiarv170
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
910 ± 150 ms
spinn3
nuclear quadrupole moment
avastamise aeg1977
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)5.2%

171Ir

massiarv171
neutron number94
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,1 ± 0,3 s
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1967
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)15%

172Ir

massiarv172
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
4,4 ± 0,3 s
spinn3
nuclear quadrupole moment
avastamise aeg1967
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)98%
α (α emission)2%

173Ir

massiarv173
neutron number96
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
9 ± 0,8 s
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1967
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)96.5%
α (α emission)3.5%

174Ir

massiarv174
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
7,9 ± 0,6 s
spinn2
nuclear quadrupole moment
avastamise aeg1967
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)99.5%
α (α emission)0.5%

175Ir

massiarv175
neutron number98
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
9 ± 2 s
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1967
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)99.15%
α (α emission)0.85%

176Ir

massiarv176
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
8,7 ± 0,5 s
spinn3
nuclear quadrupole moment
avastamise aeg1967
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)96.9%
α (α emission)3.1%

177Ir

massiarv177
neutron number100
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
29,8 ± 1,7 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1967
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.06%

178Ir

massiarv178
neutron number101
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
12 ± 2 s
spinn3
nuclear quadrupole moment
avastamise aeg1972
parity+

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

179Ir

massiarv179
neutron number102
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
79 ± 1 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1992
parity

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

180Ir

massiarv180
neutron number103
Relative Atomic Mass
g-factor
0,5 ± 0,04
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,5 ± 0,1 m
spinn5
nuclear quadrupole moment
avastamise aeg1972
parity+

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

181Ir

massiarv181
neutron number104
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
4,9 ± 0,15 m
spinn5/2
nuclear quadrupole moment
avastamise aeg1972
parity-

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

182Ir

massiarv182
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
15 ± 1 m
spinn3
nuclear quadrupole moment
avastamise aeg1961
parity+

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

183Ir

massiarv183
neutron number106
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
58 ± 5 m
spinn5/2
nuclear quadrupole moment
avastamise aeg1961
parity-

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

184Ir

massiarv184
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,09 ± 0,03 h
spinn5
nuclear quadrupole moment
2,41 ± 0,03
avastamise aeg1960
parity-

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

185Ir

massiarv185
neutron number108
Relative Atomic Mass
g-factor
1,0384 ± 0,0052
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
14,4 ± 0,1 h
spinn5/2
nuclear quadrupole moment
avastamise aeg1958
parity-

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

186Ir

massiarv186
neutron number109
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
16,64 ± 0,03 h
spinn5
nuclear quadrupole moment
−2,55 ± 0,03
avastamise aeg1958
parity+

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

187Ir

massiarv187
neutron number110
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
10,5 ± 0,3 h
spinn3/2
nuclear quadrupole moment
0,941 ± 0,011
avastamise aeg1958
parity+

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

188Ir

massiarv188
neutron number111
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
41,5 ± 0,5 h
spinn1
nuclear quadrupole moment
0,484 ± 0,006
avastamise aeg1950
parity-

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

189Ir

massiarv189
neutron number112
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
13,2 ± 0,1 d
spinn3/2
nuclear quadrupole moment
avastamise aeg1955
parity+

decay modeIntensiivsus
ϵ (electron capture)100%

190Ir

massiarv190
neutron number113
Relative Atomic Mass
g-factor
0,01 ± 0,0025
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
11,78 ± 0,1 d
spinn4
nuclear quadrupole moment
2,87 ± 0,16
avastamise aeg1947
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)0.002%

191Ir

massiarv191
neutron number114
Relative Atomic Mass
g-factor
0,10013333333333 ± 0,0004
natural abundance
37,3 ± 0,2
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn3/2
nuclear quadrupole moment
0,816 ± 0,009
avastamise aeg1935
parity+

192Ir

massiarv192
neutron number115
Relative Atomic Mass
g-factor
0,47925 ± 0,0025
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
73,82 ± 0,014 d
spinn4
nuclear quadrupole moment
2,15 ± 0,06
avastamise aeg1937
parity+

decay modeIntensiivsus
β (β decay)95.24%
ϵ (electron capture)4.76%

193Ir

massiarv193
neutron number116
Relative Atomic Mass
g-factor
0,10866666666667 ± 0,0004
natural abundance
62,7 ± 0,2
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn3/2
nuclear quadrupole moment
0,751 ± 0,009
avastamise aeg1935
parity+

194Ir

massiarv194
neutron number117
Relative Atomic Mass
g-factor
0,39 ± 0,01
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
19,35 ± 0,07 h
spinn1
nuclear quadrupole moment
0,339 ± 0,012
avastamise aeg1937
parity-

decay modeIntensiivsus
β (β decay)100%

195Ir

massiarv195
neutron number118
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,29 ± 0,17 h
spinn3/2
nuclear quadrupole moment
avastamise aeg1952
parity+

decay modeIntensiivsus
β (β decay)100%

196Ir

massiarv196
neutron number119
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
52 ± 1,1 s
spinn1
nuclear quadrupole moment
avastamise aeg1966
parity

decay modeIntensiivsus
β (β decay)100%

197Ir

massiarv197
neutron number120
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
5,8 ± 0,5 m
spinn3/2
nuclear quadrupole moment
avastamise aeg1952
parity+

decay modeIntensiivsus
β (β decay)100%

198Ir

massiarv198
neutron number121
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
8,7 ± 0,4 s
spinn1
nuclear quadrupole moment
avastamise aeg1973
parity-

decay modeIntensiivsus
β (β decay)100%

199Ir

massiarv199
neutron number122
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
7 ± 5 s
spinn3/2
nuclear quadrupole moment
avastamise aeg1993
parity+

decay modeIntensiivsus
β (β decay)100%

200Ir

massiarv200
neutron number123
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
43 ± 6 s
spinn2
nuclear quadrupole moment
avastamise aeg2008
parity-

decay modeIntensiivsus
β (β decay)100%
β n (β-delayed neutron emission)

201Ir

massiarv201
neutron number124
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
21 ± 5 s
spinn3/2
nuclear quadrupole moment
avastamise aeg2008
parity+

decay modeIntensiivsus
β (β decay)100%

202Ir

massiarv202
neutron number125
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
11 ± 3 s
spinn2
nuclear quadrupole moment
avastamise aeg2008
parity-

decay modeIntensiivsus
β (β decay)100%

203Ir

massiarv203
neutron number126
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn3/2
nuclear quadrupole moment
avastamise aeg2009
parity+

decay modeIntensiivsus
β (β decay)

204Ir

massiarv204
neutron number127
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn
nuclear quadrupole moment
avastamise aeg2011
parity

decay modeIntensiivsus
β (β decay)
β n (β-delayed neutron emission)

205Ir

massiarv205
neutron number128
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn3/2
nuclear quadrupole moment
avastamise aeg2012
parity+

decay modeIntensiivsus
β (β decay)
β n (β-delayed neutron emission)
Iridium foil

ajalugu

leiutaja või avastajaS.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
location of discoveryEngland/France
avastamise aeg1804
etümoloogiaLatin: iris (rainbow).
pronunciationi-RID-i-em (inglise)

allikas

Abundance
Abundance in Earth's crust
natural abundance (ookean)
natural abundance (Inimkeha)
natural abundance (meteoorkeha)
0,000054 %
natural abundance (Päike)
0,0000002 %
Abundance in Universe
0,0000002 %

Nuclear Screening Constants

1s1.4881
2p4.4624
2s20.1102
3d13.514
3p21.9311
3s22.7942
4d37.2628
4f38.6552
4p35.086
4s34.152
5d58.304
5p53.339
5s51.1545
6s66.4334