Iridij (Ir)

chemical element with symbol Ir and atomic number 77

Atomski broj	77
Relativna atomska masa	192.217
Maseni broj	193

Skupina	9
Perioda	6
Blok	d

proton	77 p⁺
neutron	116 n⁰
elektron	77 e^-

Animated Bohrov model atoma of Ir (Iridij)

Physical Property

Atomski Radijus	135 pm 240 pm
Molni volumen	8,54 cm³/mol
Kovalentni Radijus	122 pm 115 pm 107 pm 141 pm
Metallic Radius	127 pm 136 pm
Ionski radijus	68 pm 62,5 pm 57 pm
Crystal Radius	82 pm 76,5 pm 71 pm
Van der Waals radius	200 pm 213 pm 236 pm 284 pm
gustoća	22,5622 g/cm³ 19.000 kg/m³

Kemijsko Svojstvo

energija

proton affinity
Elektronski afinitet	1,5638 eV/particle
ionization energy	8,96702 eV/particle 17 eV/particle 28 eV/particle 40 eV/particle 57 eV/particle 72 eV/particle 89 eV/particle 105 eV/particle 123 eV/particle 194,8 eV/particle 217 eV/particle 240 eV/particle 264 eV/particle 303 eV/particle 329 eV/particle 356 eV/particle 407 eV/particle 445 eV/particle 472 eV/particle 510 eV/particle 560 eV/particle 610 eV/particle 670 eV/particle 720 eV/particle 770 eV/particle 820 eV/particle 870 eV/particle 920 eV/particle 980 eV/particle 1.030 eV/particle 1.080 eV/particle 1.331 eV/particle 1.381 eV/particle 1.436 eV/particle 1.493 eV/particle 1.548 eV/particle 1.603 eV/particle 1.684 eV/particle 1.739 eV/particle 1.801 eV/particle 1.857 eV/particle 2.083 eV/particle 2.139 eV/particle 2.201 eV/particle 2.258 eV/particle 2.435 eV/particle 2.500 eV/particle 2.656 eV/particle 2.720,4 eV/particle 4.540 eV/particle 4.668 eV/particle 4.806 eV/particle 4.952 eV/particle 5.092 eV/particle 5.229 eV/particle 5.466 eV/particle 5.609 eV/particle 5.765 eV/particle 5.910 eV/particle 6.315 eV/particle 6.441 eV/particle 6.580 eV/particle 6.708 eV/particle 7.274 eV/particle 7.421 eV/particle 7.710 eV/particle 7.850 eV/particle 17.040 eV/particle 17.390 eV/particle 17.770 eV/particle 18.120 eV/particle 20.210 eV/particle 20.650 eV/particle 21.200 eV/particle 21.556,6 eV/particle 86.438,9 eV/particle 88.113,3 eV/particle

Toplina isparivanja	604 kJ/mol
toplina taljenja	27,61 kJ/mol
standard enthalpy of formation	669 kJ/mol
elektron

Elektronska ljuska	2, 8, 18, 32, 15, 2

valence electron	2 ⓘ

electron configuration	[Xe] 4f¹⁴ 5d⁷ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d⁷ 6s²

Oksidacijski broj	-3, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Elektronegativnost	9,96 eV/particle 0.25106 2.2
Electrophilicity Index	1,872465121129725 eV/particle
fundamental state of matter

agregatno stanje	Čvrsto
gaseous state of matter
Vrelište	4.701,15 K
Talište	2.719,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja	Srebrna #ff1493 #175487 #175487
appearance	silvery white
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost	147 W/(m K)
Toplinsko istezanje	0,0000064 1/K
molar heat capacity	25,1 J/(mol K)
Specifični toplinski kapacitet	0,131 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	21 MS/m
Električna otpornost i provodnost	0,00000004699999999998 Ω*m
Supravodljivost	0,11 K
Magnetizam
type	paramagnetic
Magnetna susceptibilnost (Mass)	0,00000000167 m³/Kg
Magnetna susceptibilnost (Molar)	0,000000000321 m³/mol
Magnetna susceptibilnost (Volume)	0,0000377
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura	Kubna plošno centrirana (FCC)
lattice constant	3,84 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
Tvrdoća	1.670 MPa 6,5 MPa 1.760 MPa
bulk modulus	320 GPa
shear modulus	210 GPa
Youngov modul elastičnosti	528 GPa
Poissonov omjer	0,26
brzina zvuka	4.825 m/s
classification
Kategorija	Prijelazni metali, Transition metals
CAS Group	VIIIA
IUPAC Group	VIII
Glawe Number	62
Mendeleev Number	65
Pettifor Number	65
Geochemical Class	noble metal
Goldschmidt classification	siderophile

other

Gas Basicity
polarizability	54 ± 7 a₀
C6 Dispersion Coefficient	522 a₀
allotrope
Nuklearni udarni presjek	425
Neutron Mass Absorption	0,081
Kvantni brojevi	4F9/2
space group	225 (Fm_3m)

Isotopes of Iridium

Stabilni izotopi	2
Nestabilni izotopi	41
Natural Isotopes	2

¹⁶³Ir

Maseni broj	163
neutron number	86
Relativna Atomska Masa	162,994299 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma
Parnost	+

decay mode	intensity
p (proton emission)

¹⁶⁴Ir

Maseni broj	164
neutron number	87
Relativna Atomska Masa	163,991966 ± 0,000339 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost	-

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

¹⁶⁵Ir

Maseni broj	165
neutron number	88
Relativna Atomska Masa	164,987552 ± 0,00017 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma
Parnost	+

decay mode	intensity
p (proton emission)
α (α emission)

¹⁶⁶Ir

Maseni broj	166
neutron number	89
Relativna Atomska Masa	165,985716 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	10,5 ± 2,2 ms
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1981
Parnost

decay mode	intensity
α (α emission)	93%
p (proton emission)	7%

¹⁶⁷Ir

Maseni broj	167
neutron number	90
Relativna Atomska Masa	166,981671973 ± 0,000019694 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	29,3 ± 0,6 ms
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1981
Parnost	+

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

¹⁶⁸Ir

Maseni broj	168
neutron number	91
Relativna Atomska Masa	167,979960978 ± 0,000059277 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	230 ± 50 ms
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1978
Parnost

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

¹⁶⁹Ir

Maseni broj	169
neutron number	92
Relativna Atomska Masa	168,976281743 ± 0,00002502 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	353 ± 4 ms
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1978
Parnost	+

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

¹⁷⁰Ir

Maseni broj	170
neutron number	93
Relativna Atomska Masa	169,975113 ± 0,000109 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	910 ± 150 ms
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1977
Parnost	-

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

¹⁷¹Ir

Maseni broj	171
neutron number	94
Relativna Atomska Masa	170,97164552 ± 0,000041295 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,1 ± 0,3 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1967
Parnost	+

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

¹⁷²Ir

Maseni broj	172
neutron number	95
Relativna Atomska Masa	171,970607035 ± 0,000034785 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,4 ± 0,3 s
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	-

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

¹⁷³Ir

Maseni broj	173
neutron number	96
Relativna Atomska Masa	172,967505477 ± 0,000011316 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9 ± 0,8 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1967
Parnost	+

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

¹⁷⁴Ir

Maseni broj	174
neutron number	97
Relativna Atomska Masa	173,966949939 ± 0,000012046 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7,9 ± 0,6 s
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	+

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

¹⁷⁵Ir

Maseni broj	175
neutron number	98
Relativna Atomska Masa	174,964149519 ± 0,000013295 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9 ± 2 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1967
Parnost	+

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

¹⁷⁶Ir

Maseni broj	176
neutron number	99
Relativna Atomska Masa	175,963626261 ± 0,000008679 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,7 ± 0,5 s
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	+

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

¹⁷⁷Ir

Maseni broj	177
neutron number	100
Relativna Atomska Masa	176,9613015 ± 0,000021213 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	29,8 ± 1,7 s
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	-

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

¹⁷⁸Ir

Maseni broj	178
neutron number	101
Relativna Atomska Masa	177,961079395 ± 0,000020204 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	12 ± 2 s
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1972
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁹Ir

Maseni broj	179
neutron number	102
Relativna Atomska Masa	178,959117594 ± 0,000010489 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	79 ± 1 s
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1992
Parnost

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁰Ir

Maseni broj	180
neutron number	103
Relativna Atomska Masa	179,959229446 ± 0,000023302 Da
g-factor	0,5 ± 0,04
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,5 ± 0,1 m
spin	5
nuclear quadrupole moment
vrijeme otkrića ili izuma	1972
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸¹Ir

Maseni broj	181
neutron number	104
Relativna Atomska Masa	180,957634691 ± 0,000005631 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,9 ± 0,15 m
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1972
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸²Ir

Maseni broj	182
neutron number	105
Relativna Atomska Masa	181,958076296 ± 0,000022509 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	15 ± 1 m
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1961
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸³Ir

Maseni broj	183
neutron number	106
Relativna Atomska Masa	182,956841231 ± 0,000026486 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	58 ± 5 m
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1961
Parnost	-

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

¹⁸⁴Ir

Maseni broj	184
neutron number	107
Relativna Atomska Masa	183,957476 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,09 ± 0,03 h
spin	5
nuclear quadrupole moment	2,41 ± 0,03
vrijeme otkrića ili izuma	1960
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁵Ir

Maseni broj	185
neutron number	108
Relativna Atomska Masa	184,956698 ± 0,00003 Da
g-factor	1,0384 ± 0,0052
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	14,4 ± 0,1 h
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1958
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁶Ir

Maseni broj	186
neutron number	109
Relativna Atomska Masa	185,957946754 ± 0,00001774 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	16,64 ± 0,03 h
spin	5
nuclear quadrupole moment	−2,55 ± 0,03
vrijeme otkrića ili izuma	1958
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁷Ir

Maseni broj	187
neutron number	110
Relativna Atomska Masa	186,957542 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	10,5 ± 0,3 h
spin	3/2
nuclear quadrupole moment	0,941 ± 0,011
vrijeme otkrića ili izuma	1958
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁸Ir

Maseni broj	188
neutron number	111
Relativna Atomska Masa	187,958834999 ± 0,000010116 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	41,5 ± 0,5 h
spin	1
nuclear quadrupole moment	0,484 ± 0,006
vrijeme otkrića ili izuma	1950
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁹Ir

Maseni broj	189
neutron number	112
Relativna Atomska Masa	188,958722602 ± 0,0000135 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,2 ± 0,1 d
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1955
Parnost	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁹⁰Ir

Maseni broj	190
neutron number	113
Relativna Atomska Masa	189,960543374 ± 0,00000147 Da
g-factor	0,01 ± 0,0025
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	11,78 ± 0,1 d
spin	4
nuclear quadrupole moment	2,87 ± 0,16
vrijeme otkrića ili izuma	1947
Parnost	-

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

¹⁹¹Ir

Maseni broj	191
neutron number	114
Relativna Atomska Masa	190,960591455 ± 0,000001406 Da
g-factor	0,10013333333333 ± 0,0004
natural abundance	37,3 ± 0,2
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,816 ± 0,009
vrijeme otkrića ili izuma	1935
Parnost	+

¹⁹²Ir

Maseni broj	192
neutron number	115
Relativna Atomska Masa	191,962602414 ± 0,00000141 Da
g-factor	0,47925 ± 0,0025
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	73,82 ± 0,014 d
spin	4
nuclear quadrupole moment	2,15 ± 0,06
vrijeme otkrića ili izuma	1937
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	95.24%
ϵ (electron capture)	4.76%

¹⁹³Ir

Maseni broj	193
neutron number	116
Relativna Atomska Masa	192,962923753 ± 0,000001425 Da
g-factor	0,10866666666667 ± 0,0004
natural abundance	62,7 ± 0,2
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,751 ± 0,009
vrijeme otkrića ili izuma	1935
Parnost	+

¹⁹⁴Ir

Maseni broj	194
neutron number	117
Relativna Atomska Masa	193,965075703 ± 0,000001429 Da
g-factor	0,39 ± 0,01
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	19,35 ± 0,07 h
spin	1
nuclear quadrupole moment	0,339 ± 0,012
vrijeme otkrića ili izuma	1937
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁵Ir

Maseni broj	195
neutron number	118
Relativna Atomska Masa	194,965976898 ± 0,000001431 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,29 ± 0,17 h
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1952
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁶Ir

Maseni broj	196
neutron number	119
Relativna Atomska Masa	195,968399669 ± 0,000041239 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	52 ± 1,1 s
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1966
Parnost

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁷Ir

Maseni broj	197
neutron number	120
Relativna Atomska Masa	196,969657217 ± 0,000021588 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,8 ± 0,5 m
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1952
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁸Ir

Maseni broj	198
neutron number	121
Relativna Atomska Masa	197,972399 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,7 ± 0,4 s
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1973
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁹Ir

Maseni broj	199
neutron number	122
Relativna Atomska Masa	198,973807097 ± 0,000044073 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7 ± 5 s
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1993
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰⁰Ir

Maseni broj	200
neutron number	123
Relativna Atomska Masa	199,976844 ± 0,00021 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	43 ± 6 s
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2008
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

²⁰¹Ir

Maseni broj	201
neutron number	124
Relativna Atomska Masa	200,978701 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	21 ± 5 s
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2008
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰²Ir

Maseni broj	202
neutron number	125
Relativna Atomska Masa	201,982136 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	11 ± 3 s
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2008
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰³Ir

Maseni broj	203
neutron number	126
Relativna Atomska Masa	202,984573 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2009
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)

²⁰⁴Ir

Maseni broj	204
neutron number	127
Relativna Atomska Masa	203,989726 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	2011
Parnost

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²⁰⁵Ir

Maseni broj	205
neutron number	128
Relativna Atomska Masa	204,993988 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2012
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

povijest

otkrio/izumio	S.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
location of discovery	England/France
vrijeme otkrića ili izuma	1804
Etimologija	Latin: iris (rainbow).
pronunciation	i-RID-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori	0,001 mg/kg
natural abundance (ocean)
natural abundance (tijelo)
natural abundance (meteoroid)	0,000054 %
natural abundance (Sunce)	0,0000002 %
Zastupljenost u svemiru	0,0000002 %

Nuclear Screening Constants

1	s	1.4881
2	p	4.4624
2	s	20.1102
3	d	13.514
3	p	21.9311
3	s	22.7942
4	d	37.2628
4	f	38.6552
4	p	35.086
4	s	34.152
5	d	58.304
5	p	53.339
5	s	51.1545
6	s	66.4334

Iridij on ChemicalAid

Art & Architecture Thesaurus ID	300380172
Australian Educational Vocabulary ID	scot/3533
Brockhaus Enzyklopädie online ID	iridium
CAS registarski broj	7439-88-5
CPV Supplementary	AA28
ChEBI ID	49666
ChemSpider ID	22367
Common Procurement Vocabulary	14761000
DSSTOX compound identifier	DTXCID8047636
DSSTox substance ID	DTXSID0064674
Den Store Danske ID	Iridium
Den Store Danske ID	iridium
ECHA Substance Infocard ID	100.028.269
Encyclopedia of China ID (Second Edition)	242533
Encyclopædia Universalis ID	iridium
Freebase ID	/m/025rw2y
French Vikidia ID	Iridium
GND identifikator	4162402-6
Gran Enciclopèdia Catalana ID	0117711
Great Russian Encyclopedia Online ID	2020562
HSDB ID	7067
ID oznaka teme na Quori	Iridium-metal-1
ID oznaka u mrežnoj enciklopediji Britannici	science/iridium
InChI	InChI=1S/Ir
InChIKey	GKOZUEZYRPOHIO-UHFFFAOYSA-N
KBpedia ID	Iridium
LCCN	sh85068067
MeSH ID	D007495
NALT ID	47705
NDL ID	00564222
Namuwiki ID	이리듐
National Library of Israel J9U ID	987007560422405171
OpenAlex ID	C528581852
PSH ID	5780
PubChem ID	23924
RxNorm ID	1311131
Store norske leksikon ID	iridium
Treccani ID	iridio
UNII	44448S9773
USGS Thesaurus ID	1484
Wolfram Language entity code	Entity["Mineral", "Iridium"]
WordNet 3.1 Synset ID	14666397-n
YSO ID	39350
ZVG number	8460
značenje prema OmegaWiki	160503

Iridij (Ir)

Physical Property

Kemijsko Svojstvo

other

Isotopes of Iridium

163Ir

164Ir

165Ir

166Ir

167Ir

168Ir

169Ir

170Ir

171Ir

172Ir

173Ir

174Ir

175Ir

176Ir

177Ir

178Ir

179Ir

180Ir

181Ir

182Ir

183Ir

184Ir

185Ir

186Ir

187Ir

188Ir

189Ir

190Ir

191Ir

192Ir

193Ir

194Ir

195Ir

196Ir

197Ir

198Ir

199Ir

200Ir

201Ir

202Ir

203Ir

204Ir

205Ir

povijest

source

Nuclear Screening Constants

¹⁶³Ir

¹⁶⁴Ir

¹⁶⁵Ir

¹⁶⁶Ir

¹⁶⁷Ir

¹⁶⁸Ir

¹⁶⁹Ir

¹⁷⁰Ir

¹⁷¹Ir

¹⁷²Ir

¹⁷³Ir

¹⁷⁴Ir

¹⁷⁵Ir

¹⁷⁶Ir

¹⁷⁷Ir

¹⁷⁸Ir

¹⁷⁹Ir

¹⁸⁰Ir

¹⁸¹Ir

¹⁸²Ir

¹⁸³Ir

¹⁸⁴Ir

¹⁸⁵Ir

¹⁸⁶Ir

¹⁸⁷Ir

¹⁸⁸Ir

¹⁸⁹Ir

¹⁹⁰Ir

¹⁹¹Ir

¹⁹²Ir

¹⁹³Ir

¹⁹⁴Ir

¹⁹⁵Ir

¹⁹⁶Ir

¹⁹⁷Ir

¹⁹⁸Ir

¹⁹⁹Ir

²⁰⁰Ir

²⁰¹Ir

²⁰²Ir

²⁰³Ir

²⁰⁴Ir

²⁰⁵Ir