Plutòni (Pu)

radioactive chemical element with the atomic number of 94 and symbol Pu

Atomic Number	94
Atomic Weight	244
mass number	221

Group
Period	7
Block	f

proton	94 p⁺
neutron	127 n⁰
electron	94 e^-

Proprietat Fisica

Rai Atomic	175 pm 278 pm
molar volume
covalent radius	172 pm 135 pm 187 pm
Metallic Radius
ionic radius	100 pm 86 pm 96 pm 74 pm 71 pm 116.8 pm
Crystal Radius	114 pm 100 pm 110 pm 88 pm 85 pm 130.8 pm
Rai de van der Waals	243 pm 252 pm 342.4 pm
densitat	19.7 g/cm³ 16630 kg/m³

Chemical Property

energia

proton affinity
electron affinity
ionization energy	6.0258 eV/particle 11.5 eV/particle 21 eV/particle 35 eV/particle 49 eV/particle 80 eV/particle 95 eV/particle 109 eV/particle 124 eV/particle 139 eV/particle 159 eV/particle 179 eV/particle 200 eV/particle 219 eV/particle 258 eV/particle 278 eV/particle 389 eV/particle 416 eV/particle 444 eV/particle 474 eV/particle 503 eV/particle 532 eV/particle 575 eV/particle 605 eV/particle 637 eV/particle 668 eV/particle 820 eV/particle 850 eV/particle 890 eV/particle 930 eV/particle 1030 eV/particle 1070 eV/particle 1180 eV/particle 1220 eV/particle 1340 eV/particle 1420 eV/particle 1500 eV/particle 1580 eV/particle 1660 eV/particle 1700 eV/particle 1820 eV/particle 1890 eV/particle 1990 eV/particle 2070 eV/particle 2150 eV/particle 2200 eV/particle 2310 eV/particle 2390 eV/particle 2774 eV/particle 2844 eV/particle 2918 eV/particle 2997 eV/particle 3072 eV/particle 3146 eV/particle 3290 eV/particle 3366 eV/particle 3449 eV/particle 3527 eV/particle 3836 eV/particle 3911 eV/particle 3993 eV/particle 4068 eV/particle 4496 eV/particle 4585 eV/particle 4807 eV/particle 4890 eV/particle 7820 eV/particle 7990 eV/particle 8170 eV/particle 8360 eV/particle 8540 eV/particle 8720 eV/particle 9130 eV/particle 9310 eV/particle 9520 eV/particle 9700 eV/particle 10230 eV/particle 10390 eV/particle 10570 eV/particle 10730 eV/particle 12060 eV/particle 12260 eV/particle 12660 eV/particle 12840 eV/particle 26480 eV/particle 26920 eV/particle 27400 eV/particle 27840 eV/particle 32800 eV/particle 33400 eV/particle 34100 eV/particle 34625.8 eV/particle 136299.2 eV/particle 138646 eV/particle

enthalpy of vaporization	343.5 kJ/mol
enthalpy of fusion	2.8 kJ/mol
standard enthalpy of formation	345 kJ/mol
electron

electron shell	2, 8, 18, 32, 24, 8, 2

valence electron	2 ⓘ

electron configuration	[Rn] 5f⁶ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f⁶ 7s²

oxidation number	2, 3, 4, 5, 6, 7, 8
Electronegativitat	0.16137 1.3
Electrophilicity Index
fundamental state of matter

estat de la matèria	Solid
gaseous state of matter
Boiling Point	3501.15 K
Melting Point	913.15 K
critical pressure
critical temperature
Ponch triple
appearance
Color	Silver #ffffff #006bff #006bff
appearance	silvery white, tarnishing to dark gray in air
Indici de refraccion
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	0.67 MS/m
electrical resistivity	0.0000015 Ω*m
superconductivity
magnetism
type	paramagnetic
magnetic susceptibility (Mass)	0.0000000317 m³/Kg
magnetic susceptibility (Molar)	0.000000007735 m³/mol
magnetic susceptibility (Volume)	0.0006282
magnetic ordering
Curie temperature
Néel temperature
estructura
Crystal Structure	Simple Monoclinic (MCL)
lattice constant
Lattice Angles	π/2, 1.776571, π/2
mechanical property
Duretat
bulk modulus
shear modulus	43 GPa
Young's modulus	96 GPa
Poisson's ratio	0.21
speed of sound	2260 m/s
classification
Category	Actinides, Actinides
CAS Group
IUPAC Group
Glawe Number	38
Mendeleev Number	24
Pettifor Number	43
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	132 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section	1.7
Neutron Mass Absorption
quantum number	7F0
space group	11 (P121/m1)

Isotopes of Plutonium

Stable Isotopes	0
Unstable Isotopes	27
Natural Isotopes	0

²²¹Pu

mass number	221
neutron number	127
Relative Atomic Mass	221.038572 ± 0.000322 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	9/2
nuclear quadrupole moment
data de descobèrta
parity	+

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

²²²Pu

mass number	222
neutron number	128
Relative Atomic Mass	222.037638 ± 0.000322 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	0
nuclear quadrupole moment	0
data de descobèrta
parity	+

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

²²³Pu

mass number	223
neutron number	129
Relative Atomic Mass	223.038777 ± 0.000322 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	9/2
nuclear quadrupole moment
data de descobèrta
parity	+

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

²²⁴Pu

mass number	224
neutron number	130
Relative Atomic Mass	224.037875 ± 0.000322 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	0
nuclear quadrupole moment	0
data de descobèrta
parity	+

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

²²⁵Pu

mass number	225
neutron number	131
Relative Atomic Mass	225.03897 ± 0.000322 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	7/2
nuclear quadrupole moment
data de descobèrta
parity	+

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

²²⁶Pu

mass number	226
neutron number	132
Relative Atomic Mass	226.03825 ± 0.000215 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	0
nuclear quadrupole moment	0
data de descobèrta
parity	+

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

²²⁷Pu

mass number	227
neutron number	133
Relative Atomic Mass	227.039474 ± 0.000107 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida
Espin	5/2
nuclear quadrupole moment
data de descobèrta
parity	+

decay mode	intensity
α (α emission)

²²⁸Pu

mass number	228
neutron number	134
Relative Atomic Mass	228.038763325 ± 0.000025069 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	2.1 ± 1.3 s
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1994
parity	+

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

²²⁹Pu

mass number	229
neutron number	135
Relative Atomic Mass	229.040145099 ± 0.000065092 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	91 ± 26 s
Espin	3/2
nuclear quadrupole moment
data de descobèrta	1994
parity	+

decay mode	intensity
α (α emission)	50%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	50%
SF (spontaneous fission)	7%

²³⁰Pu

mass number	230
neutron number	136
Relative Atomic Mass	230.039648313 ± 0.000015514 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	105 ± 10 s
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1990
parity	+

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

²³¹Pu

mass number	231
neutron number	137
Relative Atomic Mass	231.041125946 ± 0.000023683 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	8.6 ± 0.5 m
Espin	3/2
nuclear quadrupole moment
data de descobèrta	1999
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)	13%

²³²Pu

mass number	232
neutron number	138
Relative Atomic Mass	232.041182133 ± 0.000018126 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	33.7 ± 0.5 m
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1973
parity	+

decay mode	intensity
ϵ (electron capture)
α (α emission)	20%

²³³Pu

mass number	233
neutron number	139
Relative Atomic Mass	233.042997411 ± 0.000058162 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	20.9 ± 0.4 m
Espin	5/2
nuclear quadrupole moment
data de descobèrta	1957
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)	0.12%

²³⁴Pu

mass number	234
neutron number	140
Relative Atomic Mass	234.043317489 ± 0.000007298 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	8.8 ± 0.1 h
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1949
parity	+

decay mode	intensity
ϵ (electron capture)	94%
α (α emission)	6%

²³⁵Pu

mass number	235
neutron number	141
Relative Atomic Mass	235.045284609 ± 0.00002203 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	25.3 ± 0.5 m
Espin	5/2
nuclear quadrupole moment
data de descobèrta	1957
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.9972%
α (α emission)	0.0028%

²³⁶Pu

mass number	236
neutron number	142
Relative Atomic Mass	236.046056661 ± 0.000001942 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	2.858 ± 0.008 y
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1949
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	1.9%
28Mg	2%
2β⁺ (double β⁺ decay)

²³⁷Pu

mass number	237
neutron number	143
Relative Atomic Mass	237.048407888 ± 0.000001821 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	45.64 ± 0.04 d
Espin	7/2
nuclear quadrupole moment
data de descobèrta	1949
parity	-

decay mode	intensity
ϵ (electron capture)	99.9958%
α (α emission)	0.0042%

²³⁸Pu

mass number	238
neutron number	144
Relative Atomic Mass	238.049558175 ± 0.000001221 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	87.7 ± 0.1 y
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1949
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	1.9%
32Si	1.4%
30Mg	6%

²³⁹Pu

mass number	239
neutron number	145
Relative Atomic Mass	239.052161596 ± 0.000001194 Da
g-factor	0.404 ± 0.008
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	24.11 ± 0.03 ky
Espin	1/2
nuclear quadrupole moment	0
data de descobèrta	1946
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	3.1%

²⁴⁰Pu

mass number	240
neutron number	146
Relative Atomic Mass	240.05381174 ± 0.000001186 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	6.561 ± 0.007 ky
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1949
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	5.796%
34Si	1.3%

²⁴¹Pu

mass number	241
neutron number	147
Relative Atomic Mass	241.056849651 ± 0.000001186 Da
g-factor	-0.2712 ± 0.0056
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	14.329 ± 0.029 y
Espin	5/2
nuclear quadrupole moment	6
data de descobèrta	1949
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
α (α emission)	0.00245%
SF (spontaneous fission)	2.4%

²⁴²Pu

mass number	242
neutron number	148
Relative Atomic Mass	242.058740979 ± 0.000001336 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	375 ± 2 ky
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1950
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	5.51%

²⁴³Pu

mass number	243
neutron number	149
Relative Atomic Mass	243.062002068 ± 0.000002728 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	4.9553 ± 0.0025 h
Espin	7/2
nuclear quadrupole moment
data de descobèrta	1951
parity	+

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

²⁴⁴Pu

mass number	244
neutron number	150
Relative Atomic Mass	244.064204401 ± 0.000002518 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	81.3 ± 0.3 My
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1954
parity	+

decay mode	intensity
α (α emission)	99.877%
SF (spontaneous fission)	0.123%
2β⁻ (double β⁻ decay)	7.3%

²⁴⁵Pu

mass number	245
neutron number	151
Relative Atomic Mass	245.067824554 ± 0.000014621 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	10.5 ± 0.1 h
Espin	9/2
nuclear quadrupole moment
data de descobèrta	1955
parity	-

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

²⁴⁶Pu

mass number	246
neutron number	152
Relative Atomic Mass	246.070204172 ± 0.000016087 Da
g-factor	0
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	10.84 ± 0.02 d
Espin	0
nuclear quadrupole moment	0
data de descobèrta	1955
parity	+

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

²⁴⁷Pu

mass number	247
neutron number	153
Relative Atomic Mass	247.0743 ± 0.000215 Da
g-factor
natural abundance
Radioactivitat	☢️ radioactive element
Semivida	2.27 ± 0.23 d
Espin	1/2
nuclear quadrupole moment	0
data de descobèrta	1983
parity	+

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

istòria

descobridor o inventaire	G.T.Seaborg, J.W.Kennedy, E.M.McMillan, A.C.Wohl
luòc de descobèrta	United States
data de descobèrta	1940
Etimologia	Named for the planet Pluto.
pronunciation	ploo-TOE-ni-em (English)

source

Abundance
Abundance in Earth's crust
natural abundance (Ocean)
natural abundance (còs uman)	0 %
natural abundance (meteoroid)	0 %
natural abundance (Solelh)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Plutòni on ChemicalAid

Australian Educational Vocabulary ID	scot/3558
CAB ID	7538
Common Procurement Vocabulary	09342000
Cultureel Woordenboek ID	natuurkunde-scheikunde-en-sterrenkunde/plutonium
DSSTOX compound identifier	DTXCID2047646
Den Store Danske ID	plutonium
Encyclopædia Universalis ID	plutonium
EuroVoc ID	2429
French Vikidia ID	Plutonium
Great Russian Encyclopedia Online ID	3146707
InChI	InChI=1S/Pu
InChIKey	OYEHPCDNVJXUIW-UHFFFAOYSA-N
KBpedia ID	Plutonium
LEM ID	LEM201007253
Namuwiki ID	플루토늄
National Library of Israel J9U ID	987007558091105171
OpenAlex ID	C540271850
PDB structure ID	4ZHD
RxNorm CUI	1600135
Römpp online ID	RD-16-02849
Store norske leksikon ID	plutonium
UK Archival Thesaurus ID	f2/mt225/4347/5016
UK Parliament thesaurus ID	12167
UNESCO Thesaurus ID	concept14021
USGS Thesaurus ID	1539
WordNet 3.1 Synset ID	14673953-n
YSO ID	4992
identificant ChEBI	33388
identificant ChemSpider	22382
identificant DSSTOX de substància	DTXSID4064682
identificant Enciclopedia Treccani	plutonio
identificant Encyclopædia Britannica en linha	science/plutonium
identificant Freebase	/m/026mkzy
identificant GND	4136381-4
identificant Gran Enciclopèdia Catalana	0132875
identificant KEGG	C19159
identificant MeSH	D011005
identificant NDL	00569238
identificant PSH	5778
identificant PubChem (CID)	23940
identificant Quora d'un subjècte	Plutonium
identificant UNII	53023GN24M
identificant bibliotèca del Congrès	sh85103582
identificant d'InfoCard ECHA	100.028.288
identificant del thesaurus de la BNCF	23908
numèro CAS	7440-07-5
sens definit OmegaWiki	2844

Plutòni (Pu)

Proprietat Fisica

Chemical Property

other

Isotopes of Plutonium

221Pu

222Pu

223Pu

224Pu

225Pu

226Pu

227Pu

228Pu

229Pu

230Pu

231Pu

232Pu

233Pu

234Pu

235Pu

236Pu

237Pu

238Pu

239Pu

240Pu

241Pu

242Pu

243Pu

244Pu

245Pu

246Pu

247Pu

istòria

source

Nuclear Screening Constants

²²¹Pu

²²²Pu

²²³Pu

²²⁴Pu

²²⁵Pu

²²⁶Pu

²²⁷Pu

²²⁸Pu

²²⁹Pu

²³⁰Pu

²³¹Pu

²³²Pu

²³³Pu

²³⁴Pu

²³⁵Pu

²³⁶Pu

²³⁷Pu

²³⁸Pu

²³⁹Pu

²⁴⁰Pu

²⁴¹Pu

²⁴²Pu

²⁴³Pu

²⁴⁴Pu

²⁴⁵Pu

²⁴⁶Pu

²⁴⁷Pu